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1530300000 = 253555101
BaseRepresentation
bin101101100110110…
…1000011001100000
310221122112021221210
41123031220121200
511113224100000
6411503350120
752631223015
oct13315503140
93848467853
101530300000
117158a6049
123685b2340
131b5070978
1410734d70c
158e532350
hex5b368660

1530300000 has 144 divisors (see below), whose sum is σ = 5021959824. Its totient is φ = 408000000.

The previous prime is 1530299977. The next prime is 1530300007. The reversal of 1530300000 is 30351.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530300007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297450 + ... + 302550.

It is an arithmetic number, because the mean of its divisors is an integer number (34874721).

Almost surely, 21530300000 is an apocalyptic number.

1530300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2510979912).

1530300000 is an abundant number, since it is smaller than the sum of its proper divisors (3491659824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1530300000 is an frugal number, since it uses more digits than its factorization.

1530300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139 (or 5111 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 1530300000 is about 39119.0490681969. The cubic root of 1530300000 is about 1152.3706610109.

Adding to 1530300000 its reverse (30351), we get a palindrome (1530330351).

The spelling of 1530300000 in words is "one billion, five hundred thirty million, three hundred thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 125 150 160 200 240 250 300 375 400 480 500 600 625 750 800 1000 1200 1250 1500 1875 2000 2400 2500 3000 3125 3750 4000 5000 5101 6000 6250 7500 9375 10000 10202 12000 12500 15000 15303 18750 20000 20404 25000 25505 30000 30606 37500 40808 50000 51010 60000 61212 75000 76515 81616 100000 102020 122424 127525 150000 153030 163232 204040 244848 255050 300000 306060 382575 408080 489696 510100 612120 637625 765150 816160 1020200 1224240 1275250 1530300 1912875 2040400 2448480 2550500 3060600 3188125 3825750 4080800 5101000 6121200 6376250 7651500 9564375 10202000 12242400 12752500 15303000 15940625 19128750 20404000 25505000 30606000 31881250 38257500 47821875 51010000 61212000 63762500 76515000 95643750 102020000 127525000 153030000 191287500 255050000 306060000 382575000 510100000 765150000 1530300000