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52512388 = 22172931859
BaseRepresentation
bin1100100001010…
…0011010000100
310122210220110021
43020110122010
5101420344023
65113304524
71205230225
oct310243204
9118726407
1052512388
1127707375
1215705144
13ab57b26
146d8d24c
15492435d
hex3214684

52512388 has 48 divisors (see below), whose sum is σ = 104025600. Its totient is φ = 23063040.

The previous prime is 52512379. The next prime is 52512391. The reversal of 52512388 is 88321525.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60703 + ... + 61561.

It is an arithmetic number, because the mean of its divisors is an integer number (2167200).

Almost surely, 252512388 is an apocalyptic number.

52512388 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

52512388 is a deficient number, since it is larger than the sum of its proper divisors (51513212).

52512388 is a wasteful number, since it uses less digits than its factorization.

52512388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940 (or 938 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 52512388 is about 7246.5431758874. The cubic root of 52512388 is about 374.4730685213.

It can be divided in two parts, 52512 and 388, that added together give a square (52900 = 2302).

The spelling of 52512388 in words is "fifty-two million, five hundred twelve thousand, three hundred eighty-eight".

Divisors: 1 2 4 17 29 31 34 58 62 68 116 124 493 527 859 899 986 1054 1718 1798 1972 2108 3436 3596 14603 15283 24911 26629 29206 30566 49822 53258 58412 61132 99644 106516 423487 452693 772241 846974 905386 1544482 1693948 1810772 3088964 13128097 26256194 52512388