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140027425 = 5237151381
BaseRepresentation
bin10000101100010…
…10011000100001
3100202111010111221
420112022120201
5241321334200
621521135041
73320133136
oct1026123041
9322433457
10140027425
117205074a
123aa8a481
1323019985
141485058d
15c45e91a
hex858a621

140027425 has 12 divisors (see below), whose sum is σ = 178327996. Its totient is φ = 108993600.

The previous prime is 140027413. The next prime is 140027441. The reversal of 140027425 is 524720041.

It can be written as a sum of positive squares in 6 ways, for example, as 952576 + 139074849 = 976^2 + 11793^2 .

It is not a de Polignac number, because 140027425 - 213 = 140019233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140027425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74766 + ... + 76615.

Almost surely, 2140027425 is an apocalyptic number.

It is an amenable number.

140027425 is a deficient number, since it is larger than the sum of its proper divisors (38300571).

140027425 is a wasteful number, since it uses less digits than its factorization.

140027425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151428 (or 151423 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 140027425 is about 11833.3184272207. The cubic root of 140027425 is about 519.2833137216.

Adding to 140027425 its reverse (524720041), we get a palindrome (664747466).

The spelling of 140027425 in words is "one hundred forty million, twenty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 37 185 925 151381 756905 3784525 5601097 28005485 140027425