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52700690 = 257752867
BaseRepresentation
bin1100100100001…
…0011000010010
310200011110202102
43021002120102
5101442410230
65121320402
71206643220
oct311023022
9120143672
1052700690
1127825899
1215796102
13abc2753
146ddbb10
154960045
hex3242612

52700690 has 16 divisors (see below), whose sum is σ = 108412992. Its totient is φ = 18068784.

The previous prime is 52700657. The next prime is 52700693. The reversal of 52700690 is 9600725.

It is a super-2 number, since 2×527006902 = 5554725452952200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52700693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376364 + ... + 376503.

It is an arithmetic number, because the mean of its divisors is an integer number (6775812).

Almost surely, 252700690 is an apocalyptic number.

52700690 is an abundant number, since it is smaller than the sum of its proper divisors (55712302).

52700690 is a wasteful number, since it uses less digits than its factorization.

52700690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752881.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 52700690 is about 7259.5240890846. The cubic root of 52700690 is about 374.9201370670.

The spelling of 52700690 in words is "fifty-two million, seven hundred thousand, six hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 752867 1505734 3764335 5270069 7528670 10540138 26350345 52700690