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140472775 = 525618911
BaseRepresentation
bin10000101111101…
…11000111000111
3100210022202102101
420113313013013
5241430112100
621534452531
73323666422
oct1027670707
9323282371
10140472775
1172325303
123b064147
13231445b1
14149289b9
15c4eb86a
hex85f71c7

140472775 has 6 divisors (see below), whose sum is σ = 174186272. Its totient is φ = 112378200.

The previous prime is 140472679. The next prime is 140472797. The reversal of 140472775 is 577274041.

It is not a de Polignac number, because 140472775 - 211 = 140470727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2809431 + ... + 2809480.

Almost surely, 2140472775 is an apocalyptic number.

140472775 is a deficient number, since it is larger than the sum of its proper divisors (33713497).

140472775 is an equidigital number, since it uses as much as digits as its factorization.

140472775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618921 (or 5618916 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 140472775 is about 11852.1211181796. The cubic root of 140472775 is about 519.8332490477.

The spelling of 140472775 in words is "one hundred forty million, four hundred seventy-two thousand, seven hundred seventy-five".

Divisors: 1 5 25 5618911 28094555 140472775