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52525788 = 2237625307
BaseRepresentation
bin1100100001011…
…1101011011100
310122211120211120
43020113223130
5101421311123
65113450540
71205314260
oct310275334
9118746746
1052525788
1127716447
1215710a50
13ab60c63
146d940a0
1549282e3
hex3217adc

52525788 has 24 divisors (see below), whose sum is σ = 140068992. Its totient is φ = 15007344.

The previous prime is 52525771. The next prime is 52525793. The reversal of 52525788 is 88752525.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312570 + ... + 312737.

It is an arithmetic number, because the mean of its divisors is an integer number (5836208).

Almost surely, 252525788 is an apocalyptic number.

It is an amenable number.

52525788 is an abundant number, since it is smaller than the sum of its proper divisors (87543204).

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

52525788 is a wasteful number, since it uses less digits than its factorization.

52525788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625321 (or 625319 counting only the distinct ones).

The product of its digits is 224000, while the sum is 42.

The square root of 52525788 is about 7247.4676956852. The cubic root of 52525788 is about 374.5049182273.

The spelling of 52525788 in words is "fifty-two million, five hundred twenty-five thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 625307 1250614 1875921 2501228 3751842 4377149 7503684 8754298 13131447 17508596 26262894 52525788