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140679850 = 25215717921
BaseRepresentation
bin10000110001010…
…01101010101010
3100210201021110211
420120221222222
5242003223400
621543131334
73325521223
oct1030515252
9323637424
10140679850
1172456943
123b143b4a
13231b791c
141498024a
15c53cdba
hex8629aaa

140679850 has 24 divisors (see below), whose sum is σ = 263345868. Its totient is φ = 55910400.

The previous prime is 140679839. The next prime is 140679863. The reversal of 140679850 is 58976041.

It can be written as a sum of positive squares in 6 ways, for example, as 5678689 + 135001161 = 2383^2 + 11619^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1111 + ... + 16810.

Almost surely, 2140679850 is an apocalyptic number.

140679850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140679850 is a deficient number, since it is larger than the sum of its proper divisors (122666018).

140679850 is a wasteful number, since it uses less digits than its factorization.

140679850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18090 (or 18085 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 140679850 is about 11860.8536792256. The cubic root of 140679850 is about 520.0885574028.

The spelling of 140679850 in words is "one hundred forty million, six hundred seventy-nine thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 157 314 785 1570 3925 7850 17921 35842 89605 179210 448025 896050 2813597 5627194 14067985 28135970 70339925 140679850