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1051029252 = 22327132232937
BaseRepresentation
bin111110101001010…
…110111100000100
32201020200211002100
4332221112330010
54123030414002
6252143112100
735021413140
oct7651267404
92636624070
101051029252
1149a307919
12253ba2630
13139995c00
149d832220
156241111c
hex3ea56f04

1051029252 has 432 divisors, whose sum is σ = 3645008640. Its totient is φ = 249080832.

The previous prime is 1051029247. The next prime is 1051029257. The reversal of 1051029252 is 2529201501.

1051029252 is a `hidden beast` number, since 10 + 510 + 2 + 92 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (1051029247) and next prime (1051029257).

It is a super-2 number, since 2×10510292522 = 2209324977119359008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051029257) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 28406178 + ... + 28406214.

It is an arithmetic number, because the mean of its divisors is an integer number (8437520).

Almost surely, 21051029252 is an apocalyptic number.

1051029252 is a gapful number since it is divisible by the number (12) 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 1051029252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1822504320).

1051029252 is an abundant number, since it is smaller than the sum of its proper divisors (2593979388).

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

1051029252 is a wasteful number, since it uses less digits than its factorization.

1051029252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1051029252 is about 32419.5813051310. The cubic root of 1051029252 is about 1016.7283524816.

The spelling of 1051029252 in words is "one billion, fifty-one million, twenty-nine thousand, two hundred fifty-two".