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140051425 = 526191837
BaseRepresentation
bin10000101100100…
…00001111100001
3100202112100102211
420112100033201
5241323121200
621521442121
73320263123
oct1026201741
9322470384
10140051425
1172067788
123aaa0341
1323027887
1414859213
15c466aba
hex85903e1

140051425 has 12 divisors (see below), whose sum is σ = 176512636. Its totient is φ = 110203200.

The previous prime is 140051383. The next prime is 140051447. The reversal of 140051425 is 524150041.

It can be written as a sum of positive squares in 6 ways, for example, as 42614784 + 97436641 = 6528^2 + 9871^2 .

It is not a de Polignac number, because 140051425 - 219 = 139527137 is a prime.

It is a super-2 number, since 2×1400514252 = 39228803289061250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140051396 and 140051405.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 44394 + ... + 47443.

Almost surely, 2140051425 is an apocalyptic number.

It is an amenable number.

140051425 is a deficient number, since it is larger than the sum of its proper divisors (36461211).

140051425 is an equidigital number, since it uses as much as digits as its factorization.

140051425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91908 (or 91903 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 140051425 is about 11834.3324695565. The cubic root of 140051425 is about 519.3129795473.

It can be divided in two parts, 1400 and 51425, that added together give a palindrome (52825).

The spelling of 140051425 in words is "one hundred forty million, fifty-one thousand, four hundred twenty-five".

Divisors: 1 5 25 61 305 1525 91837 459185 2295925 5602057 28010285 140051425