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140725620 = 22335759631
BaseRepresentation
bin10000110001101…
…00110101110100
3100210210121021000
420120310311310
5242011204440
621544123300
73326101530
oct1030646564
9323717230
10140725620
1172488272
123b166530
13232026c9
1414992bc0
15c54b730
hex8634d74

140725620 has 192 divisors, whose sum is σ = 509644800. Its totient is φ = 31570560.

The previous prime is 140725601. The next prime is 140725631. The reversal of 140725620 is 26527041.

140725620 is a `hidden beast` number, since 1 + 407 + 256 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 222705 + ... + 223335.

It is an arithmetic number, because the mean of its divisors is an integer number (2654400).

Almost surely, 2140725620 is an apocalyptic number.

140725620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140725620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254822400).

140725620 is an abundant number, since it is smaller than the sum of its proper divisors (368919180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140725620 is a wasteful number, since it uses less digits than its factorization.

140725620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 140725620 is about 11862.7829787112. The cubic root of 140725620 is about 520.1449546579.

The spelling of 140725620 in words is "one hundred forty million, seven hundred twenty-five thousand, six hundred twenty".