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140244578 = 2378772161
BaseRepresentation
bin10000101101111…
…11011001100010
3100202220011101122
420112333121202
5241400311303
621525532242
73322026215
oct1026773142
9322804348
10140244578
1172189911
123ab74082
1323094776
14148a977c
15c4a3e38
hex85bf662

140244578 has 16 divisors (see below), whose sum is σ = 216398904. Its totient is φ = 68117760.

The previous prime is 140244563. The next prime is 140244583. The reversal of 140244578 is 875442041.

140244578 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 139169209 + 1075369 = 11797^2 + 1037^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63818 + ... + 65978.

Almost surely, 2140244578 is an apocalyptic number.

140244578 is a deficient number, since it is larger than the sum of its proper divisors (76154326).

140244578 is a wasteful number, since it uses less digits than its factorization.

140244578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 140244578 is about 11842.4903630951. The cubic root of 140244578 is about 519.5516080422.

The spelling of 140244578 in words is "one hundred forty million, two hundred forty-four thousand, five hundred seventy-eight".

Divisors: 1 2 37 74 877 1754 2161 4322 32449 64898 79957 159914 1895197 3790394 70122289 140244578