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53207465 = 510641493
BaseRepresentation
bin1100101011111…
…0000110101001
310201010012220212
43022332012221
5102110114330
65140230505
71214153543
oct312760651
9121105825
1053207465
1128041613
121599b435
13b03c30c
1470d0693
154a10295
hex32be1a9

53207465 has 4 divisors (see below), whose sum is σ = 63848964. Its totient is φ = 42565968.

The previous prime is 53207459. The next prime is 53207477. The reversal of 53207465 is 56470235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56470235 = 511294047.

It can be written as a sum of positive squares in 2 ways, for example, as 15618304 + 37589161 = 3952^2 + 6131^2 .

It is a cyclic number.

It is not a de Polignac number, because 53207465 - 216 = 53141929 is a prime.

It is a Duffinian 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, 5320742 + ... + 5320751.

It is an arithmetic number, because the mean of its divisors is an integer number (15962241).

Almost surely, 253207465 is an apocalyptic number.

It is an amenable number.

53207465 is a deficient number, since it is larger than the sum of its proper divisors (10641499).

53207465 is a wasteful number, since it uses less digits than its factorization.

53207465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10641498.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 53207465 is about 7294.3447272528. The cubic root of 53207465 is about 376.1180617070.

The spelling of 53207465 in words is "fifty-three million, two hundred seven thousand, four hundred sixty-five".

Divisors: 1 5 10641493 53207465