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52980624 = 2432973793
BaseRepresentation
bin1100101000011…
…0101110010000
310200200200202100
43022012232100
5102030334444
65131320400
71212220314
oct312065620
9120620670
1052980624
11279a7144
12158b0100
13ac8cca8
147071b44
1549b7e69
hex3286b90

52980624 has 60 divisors (see below), whose sum is σ = 149840236. Its totient is φ = 17473536.

The previous prime is 52980617. The next prime is 52980637. The reversal of 52980624 is 42608925.

It is a happy number.

52980624 is a `hidden beast` number, since 5 + 29 + 8 + 0 + 624 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16257024 + 36723600 = 4032^2 + 6060^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12072 + ... + 15864.

Almost surely, 252980624 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 52980624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74920118).

52980624 is an abundant number, since it is smaller than the sum of its proper divisors (96859612).

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

52980624 is a wasteful number, since it uses less digits than its factorization.

52980624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904 (or 3895 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 52980624 is about 7278.7790184893. The cubic root of 52980624 is about 375.5827951304.

The spelling of 52980624 in words is "fifty-two million, nine hundred eighty thousand, six hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 97 144 194 291 388 582 776 873 1164 1552 1746 2328 3492 3793 4656 6984 7586 11379 13968 15172 22758 30344 34137 45516 60688 68274 91032 136548 182064 273096 367921 546192 735842 1103763 1471684 2207526 2943368 3311289 4415052 5886736 6622578 8830104 13245156 17660208 26490312 52980624