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52494156 = 223411213103
BaseRepresentation
bin1100100000111…
…1111101001100
310122202222110000
43020033331030
5101414303111
65113044300
71205123121
oct310177514
9118688400
1052494156
11276a4700
12156b6690
13ab4c740
146d86748
15491dc56
hex320ff4c

52494156 has 180 divisors, whose sum is σ = 164019856. Its totient is φ = 14541120.

The previous prime is 52494151. The next prime is 52494161. The reversal of 52494156 is 65149425.

It is an interprime number because it is at equal distance from previous prime (52494151) and next prime (52494161).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 52494156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52494151) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 509601 + ... + 509703.

Almost surely, 252494156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52494156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82009928).

52494156 is an abundant number, since it is smaller than the sum of its proper divisors (111525700).

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

52494156 is a wasteful number, since it uses less digits than its factorization.

52494156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 132 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 52494156 is about 7245.2850875587. The cubic root of 52494156 is about 374.4297252040.

It can be divided in two parts, 52494 and 156, that added together give a triangular number (52650 = T324).

The spelling of 52494156 in words is "fifty-two million, four hundred ninety-four thousand, one hundred fifty-six".