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52620663 = 373241997
BaseRepresentation
bin1100100010111…
…0110101110111
310200000101222110
43020232311313
5101432330123
65115502103
71206161004
oct310566567
9120011873
1052620663
1127780757
1215757933
13ab951b4
146dba8ab
154946493
hex322ed77

52620663 has 16 divisors (see below), whose sum is σ = 71488736. Its totient is φ = 34421760.

The previous prime is 52620653. The next prime is 52620677. The reversal of 52620663 is 36602625.

It is not a de Polignac number, because 52620663 - 210 = 52619639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52620663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52620653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52281 + ... + 53277.

It is an arithmetic number, because the mean of its divisors is an integer number (4468046).

Almost surely, 252620663 is an apocalyptic number.

52620663 is a deficient number, since it is larger than the sum of its proper divisors (18868073).

52620663 is a wasteful number, since it uses less digits than its factorization.

52620663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 52620663 is about 7254.0101323337. The cubic root of 52620663 is about 374.7302664745.

The spelling of 52620663 in words is "fifty-two million, six hundred twenty thousand, six hundred sixty-three".

Divisors: 1 3 73 219 241 723 997 2991 17593 52779 72781 218343 240277 720831 17540221 52620663