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53070372 = 22321474177
BaseRepresentation
bin1100101001110…
…0101000100100
310200212020212100
43022130220210
5102041222442
65133252100
71213043055
oct312345044
9120766770
1053070372
1127a58613
1215934030
13acc1ab4
14709672c
1549d484c
hex329ca24

53070372 has 18 divisors (see below), whose sum is σ = 134150198. Its totient is φ = 17690112.

The previous prime is 53070371. The next prime is 53070389. The reversal of 53070372 is 27307035.

It can be written as a sum of positive squares in only one way, i.e., 51065316 + 2005056 = 7146^2 + 1416^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (53070371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 737053 + ... + 737124.

Almost surely, 253070372 is an apocalyptic number.

It is an amenable number.

53070372 is an abundant number, since it is smaller than the sum of its proper divisors (81079826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53070372 is a wasteful number, since it uses less digits than its factorization.

53070372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474187 (or 1474182 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 53070372 is about 7284.9414548094. The cubic root of 53070372 is about 375.7947517957.

The spelling of 53070372 in words is "fifty-three million, seventy thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 1474177 2948354 4422531 5896708 8845062 13267593 17690124 26535186 53070372