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1530132420 = 2235112322709
BaseRepresentation
bin101101100110011…
…1111011111000100
310221122012210002010
41123030333133010
511113203214140
6411500014220
752626624315
oct13314773704
93848183063
101530132420
117157a1153
12368531370
131b50125cb
1410730860c
158e4ec880
hex5b33f7c4

1530132420 has 48 divisors (see below), whose sum is σ = 4288374720. Its totient is φ = 407654016.

The previous prime is 1530132407. The next prime is 1530132437. The reversal of 1530132420 is 242310351.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56026 + ... + 78734.

It is an arithmetic number, because the mean of its divisors is an integer number (89341140).

Almost surely, 21530132420 is an apocalyptic number.

1530132420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530132420 is an abundant number, since it is smaller than the sum of its proper divisors (2758242300).

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

1530132420 is a wasteful number, since it uses less digits than its factorization.

1530132420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23844 (or 23842 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1530132420 is about 39116.9070863227. The cubic root of 1530132420 is about 1152.3285948964.

Adding to 1530132420 its reverse (242310351), we get a palindrome (1772442771).

The spelling of 1530132420 in words is "one billion, five hundred thirty million, one hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1123 2246 3369 4492 5615 6738 11230 13476 16845 22460 22709 33690 45418 67380 68127 90836 113545 136254 227090 272508 340635 454180 681270 1362540 25502207 51004414 76506621 102008828 127511035 153013242 255022070 306026484 382533105 510044140 765066210 1530132420