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140065025 = 527970919
BaseRepresentation
bin10000101100100…
…11100100000001
3100202120001002112
420112103210001
5241324040100
621522025105
73320350562
oct1026234401
9322501075
10140065025
1172076a21
123aaa8195
1323030b19
1414860169
15c46ab35
hex8593901

140065025 has 12 divisors (see below), whose sum is σ = 175881600. Its totient is φ = 110632080.

The previous prime is 140065021. The next prime is 140065031. The reversal of 140065025 is 520560041.

It is not a de Polignac number, because 140065025 - 22 = 140065021 is a prime.

It is a super-2 number, since 2×1400650252 = 39236422456501250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140065021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33485 + ... + 37434.

It is an arithmetic number, because the mean of its divisors is an integer number (14656800).

Almost surely, 2140065025 is an apocalyptic number.

It is an amenable number.

140065025 is a deficient number, since it is larger than the sum of its proper divisors (35816575).

140065025 is an equidigital number, since it uses as much as digits as its factorization.

140065025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71008 (or 71003 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 140065025 is about 11834.9070549794. The cubic root of 140065025 is about 519.3297886776.

The spelling of 140065025 in words is "one hundred forty million, sixty-five thousand, twenty-five".

Divisors: 1 5 25 79 395 1975 70919 354595 1772975 5602601 28013005 140065025