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140744494 = 21111815417
BaseRepresentation
bin10000110001110…
…01011100101110
3100210211120011001
420120321130232
5242012310434
621544350514
73326210542
oct1030713456
9323746131
10140744494
11724a0470
123b17543a
132320b187
1414999a22
15c552114
hex863972e

140744494 has 16 divisors (see below), whose sum is σ = 230546736. Its totient is φ = 63908800.

The previous prime is 140744491. The next prime is 140744497. The reversal of 140744494 is 494447041.

140744494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140744491) and next prime (140744497).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140744491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23274 + ... + 28690.

It is an arithmetic number, because the mean of its divisors is an integer number (14409171).

Almost surely, 2140744494 is an apocalyptic number.

140744494 is a deficient number, since it is larger than the sum of its proper divisors (89802242).

140744494 is a wasteful number, since it uses less digits than its factorization.

140744494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 140744494 is about 11863.5784652018. The cubic root of 140744494 is about 520.1682074174.

The spelling of 140744494 in words is "one hundred forty million, seven hundred forty-four thousand, four hundred ninety-four".

Divisors: 1 2 11 22 1181 2362 5417 10834 12991 25982 59587 119174 6397477 12794954 70372247 140744494