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140470870 = 2537443857
BaseRepresentation
bin10000101111101…
…10101001010110
3100210022122210211
420113312221112
5241430031440
621534440034
73323661031
oct1027665126
9323278724
10140470870
1172323931
123b06301a
1323143777
1414928018
15c4eaeea
hex85f6a56

140470870 has 32 divisors (see below), whose sum is σ = 260571168. Its totient is φ = 54482688.

The previous prime is 140470853. The next prime is 140470871. The reversal of 140470870 is 78074041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140470871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163482 + ... + 164338.

It is an arithmetic number, because the mean of its divisors is an integer number (8142849).

Almost surely, 2140470870 is an apocalyptic number.

140470870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140470870 is a deficient number, since it is larger than the sum of its proper divisors (120100298).

140470870 is a wasteful number, since it uses less digits than its factorization.

140470870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 140470870 is about 11852.0407525455. The cubic root of 140470870 is about 519.8308991574.

The spelling of 140470870 in words is "one hundred forty million, four hundred seventy thousand, eight hundred seventy".

Divisors: 1 2 5 10 37 74 185 370 443 857 886 1714 2215 4285 4430 8570 16391 31709 32782 63418 81955 158545 163910 317090 379651 759302 1898255 3796510 14047087 28094174 70235435 140470870