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140973845 = 5132721247
BaseRepresentation
bin10000110011100…
…01011100010101
3100211021012202112
420121301130111
5242042130340
621553320405
73331154315
oct1031613425
9324235675
10140973845
1172637811
123b266105
132328b69c
1414a19445
15c59a065
hex8671715

140973845 has 8 divisors (see below), whose sum is σ = 169304064. Its totient is φ = 112688784.

The previous prime is 140973827. The next prime is 140973919. The reversal of 140973845 is 548379041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140973845 - 212 = 140969749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3989 + ... + 17258.

It is an arithmetic number, because the mean of its divisors is an integer number (21163008).

Almost surely, 2140973845 is an apocalyptic number.

It is an amenable number.

140973845 is a deficient number, since it is larger than the sum of its proper divisors (28330219).

140973845 is a wasteful number, since it uses less digits than its factorization.

140973845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22579.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 140973845 is about 11873.2407117855. The cubic root of 140973845 is about 520.4506017789.

The spelling of 140973845 in words is "one hundred forty million, nine hundred seventy-three thousand, eight hundred forty-five".

Divisors: 1 5 1327 6635 21247 106235 28194769 140973845