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52038720 = 2633519317
BaseRepresentation
bin1100011010000…
…0110001000000
310121220211201000
43012200301000
5101310214340
65055212000
71201215246
oct306406100
9117824630
1052038720
1127413508
1215517000
13aa20356
146ca8796
15487dd30
hex31a0c40

52038720 has 224 divisors, whose sum is σ = 193852800. Its totient is φ = 13105152.

The previous prime is 52038713. The next prime is 52038733. The reversal of 52038720 is 2783025.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164002 + ... + 164318.

Almost surely, 252038720 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 52038720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96926400).

52038720 is an abundant number, since it is smaller than the sum of its proper divisors (141814080).

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

52038720 is a wasteful number, since it uses less digits than its factorization.

52038720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52038720 is about 7213.7868002873. The cubic root of 52038720 is about 373.3437355378.

The spelling of 52038720 in words is "fifty-two million, thirty-eight thousand, seven hundred twenty".