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52402684 = 2219689509
BaseRepresentation
bin1100011111100…
…1100111111100
310122121022222011
43013321213330
5101403341214
65111101004
71204262335
oct307714774
9118538864
1052402684
1127641a04
1215671764
13ab19c09
146d6128c
154901ac4
hex31f99fc

52402684 has 12 divisors (see below), whose sum is σ = 96531400. Its totient is φ = 24822288.

The previous prime is 52402673. The next prime is 52402709. The reversal of 52402684 is 48620425.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344679 + ... + 344830.

Almost surely, 252402684 is an apocalyptic number.

It is an amenable number.

52402684 is a deficient number, since it is larger than the sum of its proper divisors (44128716).

52402684 is a wasteful number, since it uses less digits than its factorization.

52402684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689532 (or 689530 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 52402684 is about 7238.9698162100. The cubic root of 52402684 is about 374.2121152746.

The spelling of 52402684 in words is "fifty-two million, four hundred two thousand, six hundred eighty-four".

Divisors: 1 2 4 19 38 76 689509 1379018 2758036 13100671 26201342 52402684