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53875243 = 291857767
BaseRepresentation
bin1100110110000…
…1001000101011
310202101010221101
43031201020223
5102243001433
65202422231
71222634452
oct315411053
9122333841
1053875243
11284582a4
1216061977
13b214256
147225b99
154ae307d
hex336122b

53875243 has 4 divisors (see below), whose sum is σ = 55733040. Its totient is φ = 52017448.

The previous prime is 53875231. The next prime is 53875247. The reversal of 53875243 is 34257835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53875243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53875247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928855 + ... + 928912.

It is an arithmetic number, because the mean of its divisors is an integer number (13933260).

Almost surely, 253875243 is an apocalyptic number.

53875243 is a deficient number, since it is larger than the sum of its proper divisors (1857797).

53875243 is a wasteful number, since it uses less digits than its factorization.

53875243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857796.

The product of its digits is 100800, while the sum is 37.

The square root of 53875243 is about 7339.9756811586. The cubic root of 53875243 is about 377.6850090904.

The spelling of 53875243 in words is "fifty-three million, eight hundred seventy-five thousand, two hundred forty-three".

Divisors: 1 29 1857767 53875243