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140397174 = 2327799843
BaseRepresentation
bin10000101111001…
…00101001110110
3100210011220201100
420113210221312
5241420202144
621533110530
73323233131
oct1027445166
9323156640
10140397174
1172283525
123b028446
1323119068
1414909218
15c4d4269
hex85e4a76

140397174 has 12 divisors (see below), whose sum is σ = 304193916. Its totient is φ = 46799052.

The previous prime is 140397163. The next prime is 140397209. The reversal of 140397174 is 471793041.

140397174 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1403971742 = 39422732934372552, which contains 22 as substring.

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, 3899904 + ... + 3899939.

It is an arithmetic number, because the mean of its divisors is an integer number (25349493).

Almost surely, 2140397174 is an apocalyptic number.

140397174 is an abundant number, since it is smaller than the sum of its proper divisors (163796742).

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

140397174 is a wasteful number, since it uses less digits than its factorization.

140397174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7799851 (or 7799848 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 140397174 is about 11848.9313442183. The cubic root of 140397174 is about 519.7399760135.

The spelling of 140397174 in words is "one hundred forty million, three hundred ninety-seven thousand, one hundred seventy-four".

Divisors: 1 2 3 6 9 18 7799843 15599686 23399529 46799058 70198587 140397174