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140054085 = 3253112313
BaseRepresentation
bin10000101100100…
…00111001000101
3100202112111002100
420112100321011
5241323212320
621521502313
73320303643
oct1026207105
9322474070
10140054085
1172069786
123aaa1999
1323028b52
141485a193
15c467790
hex8590e45

140054085 has 12 divisors (see below), whose sum is σ = 242760492. Its totient is φ = 74695488.

The previous prime is 140054069. The next prime is 140054093. The reversal of 140054085 is 580450041.

140054085 is a `hidden beast` number, since 1 + 40 + 0 + 540 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45400644 + 94653441 = 6738^2 + 9729^2 .

It is not a de Polignac number, because 140054085 - 24 = 140054069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1556112 + ... + 1556201.

It is an arithmetic number, because the mean of its divisors is an integer number (20230041).

Almost surely, 2140054085 is an apocalyptic number.

140054085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140054085 is a deficient number, since it is larger than the sum of its proper divisors (102706407).

140054085 is a wasteful number, since it uses less digits than its factorization.

140054085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112324 (or 3112321 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 140054085 is about 11834.4448539000. Note that the first 3 decimals coincide. The cubic root of 140054085 is about 519.3162673010.

The spelling of 140054085 in words is "one hundred forty million, fifty-four thousand, eighty-five".

Divisors: 1 3 5 9 15 45 3112313 9336939 15561565 28010817 46684695 140054085