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42753873 = 314251291
BaseRepresentation
bin1010001100010…
…1111101010001
32222110010021210
42203011331101
541421110443
64124210333
71026254601
oct243057521
988403253
1042753873
1122151688
12123999a9
138b1c166
14596cc01
153b47c33
hex28c5f51

42753873 has 4 divisors (see below), whose sum is σ = 57005168. Its totient is φ = 28502580.

The previous prime is 42753871. The next prime is 42753877. The reversal of 42753873 is 37835724.

42753873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42753873 - 21 = 42753871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42753871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7125643 + ... + 7125648.

It is an arithmetic number, because the mean of its divisors is an integer number (14251292).

Almost surely, 242753873 is an apocalyptic number.

It is an amenable number.

42753873 is a deficient number, since it is larger than the sum of its proper divisors (14251295).

42753873 is a wasteful number, since it uses less digits than its factorization.

42753873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14251294.

The product of its digits is 141120, while the sum is 39.

The square root of 42753873 is about 6538.6445843156. The cubic root of 42753873 is about 349.6700918491.

The spelling of 42753873 in words is "forty-two million, seven hundred fifty-three thousand, eight hundred seventy-three".

Divisors: 1 3 14251291 42753873