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53151492 = 2234429291
BaseRepresentation
bin1100101011000…
…0011100000100
310201000101010210
43022300130010
5102101321432
65135115420
71213531422
oct312603404
9121011123
1053151492
1128003559
1215972b70
13b01c9b4
1470b8112
1549ed8cc
hex32b0704

53151492 has 12 divisors (see below), whose sum is σ = 124020176. Its totient is φ = 17717160.

The previous prime is 53151491. The next prime is 53151517. The reversal of 53151492 is 29415135.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×531514922 = 5650162203652128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53151491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2214634 + ... + 2214657.

Almost surely, 253151492 is an apocalyptic number.

It is an amenable number.

53151492 is an abundant number, since it is smaller than the sum of its proper divisors (70868684).

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

53151492 is a wasteful number, since it uses less digits than its factorization.

53151492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429298 (or 4429296 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 53151492 is about 7290.5069782560. The cubic root of 53151492 is about 375.9861263177.

The spelling of 53151492 in words is "fifty-three million, one hundred fifty-one thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 4429291 8858582 13287873 17717164 26575746 53151492