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52707664 = 2424113669
BaseRepresentation
bin1100100100010…
…0000101010000
310200011211022201
43021010011100
5101443121124
65121412544
71210002442
oct311040520
9120154281
1052707664
1127830059
121579a154
13abc5989
147000492
154962144
hex3244150

52707664 has 20 divisors (see below), whose sum is σ = 102552340. Its totient is φ = 26242560.

The previous prime is 52707659. The next prime is 52707671. The reversal of 52707664 is 46670725.

It can be written as a sum of positive squares in 2 ways, for example, as 39690000 + 13017664 = 6300^2 + 3608^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2979 + ... + 10690.

It is an arithmetic number, because the mean of its divisors is an integer number (5127617).

Almost surely, 252707664 is an apocalyptic number.

It is an amenable number.

52707664 is a deficient number, since it is larger than the sum of its proper divisors (49844676).

52707664 is a wasteful number, since it uses less digits than its factorization.

52707664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13918 (or 13912 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 52707664 is about 7260.0044077122. The cubic root of 52707664 is about 374.9366743439.

It can be divided in two parts, 527076 and 64, that multiplied together give a square (33732864 = 58082).

The spelling of 52707664 in words is "fifty-two million, seven hundred seven thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 241 482 964 1928 3856 13669 27338 54676 109352 218704 3294229 6588458 13176916 26353832 52707664