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140146674 = 231710712841
BaseRepresentation
bin10000101101001…
…11011111110010
3100202201012002120
420112213133302
5241334143144
621523455110
73321140613
oct1026473762
9322635076
10140146674
11721222a8
123ab27496
132305c035
1414881c0a
15c484e19
hex85a77f2

140146674 has 32 divisors (see below), whose sum is σ = 299578176. Its totient is φ = 43553280.

The previous prime is 140146673. The next prime is 140146697. The reversal of 140146674 is 476641041.

It is not an unprimeable number, because it can be changed into a prime (140146673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4494 + ... + 17334.

It is an arithmetic number, because the mean of its divisors is an integer number (9361818).

Almost surely, 2140146674 is an apocalyptic number.

140146674 is an abundant number, since it is smaller than the sum of its proper divisors (159431502).

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

140146674 is a wasteful number, since it uses less digits than its factorization.

140146674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12970.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 140146674 is about 11838.3560514119. The cubic root of 140146674 is about 519.4306811528.

The spelling of 140146674 in words is "one hundred forty million, one hundred forty-six thousand, six hundred seventy-four".

Divisors: 1 2 3 6 17 34 51 102 107 214 321 642 1819 3638 5457 10914 12841 25682 38523 77046 218297 436594 654891 1309782 1373987 2747974 4121961 8243922 23357779 46715558 70073337 140146674