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140304774 = 231712710831
BaseRepresentation
bin10000101110011…
…10000110000110
3100210000012222010
420113032012012
5241404223044
621531115050
73322366551
oct1027160606
9323005863
10140304774
1172220065
123aba2a86
13230b5c9c
14148c3698
15c4b6bb9
hex85ce186

140304774 has 32 divisors (see below), whose sum is σ = 299483136. Its totient is φ = 43666560.

The previous prime is 140304763. The next prime is 140304803. The reversal of 140304774 is 477403041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7539 + ... + 18369.

It is an arithmetic number, because the mean of its divisors is an integer number (9358848).

Almost surely, 2140304774 is an apocalyptic number.

140304774 is an abundant number, since it is smaller than the sum of its proper divisors (159178362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140304774 is a wasteful number, since it uses less digits than its factorization.

140304774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10980.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 140304774 is about 11845.0316166737. The cubic root of 140304774 is about 519.6259316642.

The spelling of 140304774 in words is "one hundred forty million, three hundred four thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 17 34 51 102 127 254 381 762 2159 4318 6477 10831 12954 21662 32493 64986 184127 368254 552381 1104762 1375537 2751074 4126611 8253222 23384129 46768258 70152387 140304774