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52970164 = 22131759921
BaseRepresentation
bin1100101000010…
…0001010110100
310200200011101221
43022010022310
5102030021124
65131200124
71212144652
oct312041264
9120604357
1052970164
112799a2a5
12158a6044
13ac882c0
14706bdd2
1549b4ce4
hex32842b4

52970164 has 24 divisors (see below), whose sum is σ = 105702408. Its totient is φ = 23009280.

The previous prime is 52970131. The next prime is 52970213. The reversal of 52970164 is 46107925.

It can be written as a sum of positive squares in 4 ways, for example, as 10824100 + 42146064 = 3290^2 + 6492^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29077 + ... + 30844.

It is an arithmetic number, because the mean of its divisors is an integer number (4404267).

Almost surely, 252970164 is an apocalyptic number.

It is an amenable number.

52970164 is a deficient number, since it is larger than the sum of its proper divisors (52732244).

52970164 is a wasteful number, since it uses less digits than its factorization.

52970164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59955 (or 59953 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 52970164 is about 7278.0604559182. The cubic root of 52970164 is about 375.5580763161.

The spelling of 52970164 in words is "fifty-two million, nine hundred seventy thousand, one hundred sixty-four".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 59921 119842 239684 778973 1018657 1557946 2037314 3115892 4074628 13242541 26485082 52970164