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140870485 = 5715792549
BaseRepresentation
bin10000110010110…
…00001101010101
3100211001221222101
420121120031111
5242030323420
621551202101
73330244060
oct1031301525
9324057871
10140870485
1172577098
123b216331
1323253622
14149cd8d7
15c57960a
hex8658355

140870485 has 16 divisors (see below), whose sum is σ = 193392000. Its totient is φ = 96497856.

The previous prime is 140870473. The next prime is 140870489. The reversal of 140870485 is 584078041.

It is not a de Polignac number, because 140870485 - 25 = 140870453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140870489) 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, 53991 + ... + 56539.

It is an arithmetic number, because the mean of its divisors is an integer number (12087000).

Almost surely, 2140870485 is an apocalyptic number.

It is an amenable number.

140870485 is a deficient number, since it is larger than the sum of its proper divisors (52521515).

140870485 is a wasteful number, since it uses less digits than its factorization.

140870485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 140870485 is about 11868.8872688218. The cubic root of 140870485 is about 520.3233750429.

The spelling of 140870485 in words is "one hundred forty million, eight hundred seventy thousand, four hundred eighty-five".

Divisors: 1 5 7 35 1579 2549 7895 11053 12745 17843 55265 89215 4024871 20124355 28174097 140870485