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140835740 = 2257041787
BaseRepresentation
bin10000110010011…
…11101110011100
3100211000012022112
420121033232130
5242023220430
621550333152
73330040553
oct1031175634
9324005275
10140835740
1172552a81
123b1ba1b8
1323240876
14149c0d9a
15c56e195
hex864fb9c

140835740 has 12 divisors (see below), whose sum is σ = 295755096. Its totient is φ = 56334288.

The previous prime is 140835731. The next prime is 140835797. The reversal of 140835740 is 47538041.

It is a super-2 number, since 2×1408357402 = 39669411322695200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140835697 and 140835706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3520874 + ... + 3520913.

It is an arithmetic number, because the mean of its divisors is an integer number (24646258).

Almost surely, 2140835740 is an apocalyptic number.

140835740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140835740 is an abundant number, since it is smaller than the sum of its proper divisors (154919356).

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

140835740 is a wasteful number, since it uses less digits than its factorization.

140835740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7041796 (or 7041794 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 140835740 is about 11867.4234777394. The cubic root of 140835740 is about 520.2805931400.

The spelling of 140835740 in words is "one hundred forty million, eight hundred thirty-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 7041787 14083574 28167148 35208935 70417870 140835740