Search a number
-
+
1453343250 = 235319791291
BaseRepresentation
bin101011010100000…
…0100001000010010
310202021201111010210
41112220010020102
510434023441000
6400114104550
751005133222
oct12650041022
93667644123
101453343250
11686413327
1234687b156
131a2137828
14db03a082
15878d0350
hex56a04212

1453343250 has 128 divisors (see below), whose sum is σ = 3869798400. Its totient is φ = 362232000.

The previous prime is 1453343249. The next prime is 1453343267. The reversal of 1453343250 is 523433541.

It is a super-2 number, since 2×14533432502 = 4224413204641125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1125105 + ... + 1126395.

It is an arithmetic number, because the mean of its divisors is an integer number (30232800).

Almost surely, 21453343250 is an apocalyptic number.

1453343250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1453343250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1934899200).

1453343250 is an abundant number, since it is smaller than the sum of its proper divisors (2416455150).

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

1453343250 is a wasteful number, since it uses less digits than its factorization.

1453343250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 1453343250 is about 38122.7392772345. The cubic root of 1453343250 is about 1132.7204274434.

Adding to 1453343250 its reverse (523433541), we get a palindrome (1976776791).

The spelling of 1453343250 in words is "one billion, four hundred fifty-three million, three hundred forty-three thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 19 25 30 38 50 57 75 79 95 114 125 150 158 190 237 250 285 375 395 474 475 570 750 790 950 1185 1291 1425 1501 1975 2370 2375 2582 2850 3002 3873 3950 4503 4750 5925 6455 7125 7505 7746 9006 9875 11850 12910 14250 15010 19365 19750 22515 24529 29625 32275 37525 38730 45030 49058 59250 64550 73587 75050 96825 101989 112575 122645 147174 161375 187625 193650 203978 225150 245290 305967 322750 367935 375250 484125 509945 562875 611934 613225 735870 968250 1019890 1125750 1226450 1529835 1839675 1937791 2549725 3059670 3066125 3679350 3875582 5099450 5813373 6132250 7649175 9198375 9688955 11626746 12748625 15298350 18396750 19377910 25497250 29066865 38245875 48444775 58133730 76491750 96889550 145334325 242223875 290668650 484447750 726671625 1453343250