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140152740 = 2235721319193
BaseRepresentation
bin10000101101010…
…00111110100100
3100202201111102020
420112220332210
5241334341430
621523543140
73321164400
oct1026507644
9322644366
10140152740
1172126912
123ab2aab0
1323061a20
1414884100
15c486b10
hex85a8fa4

140152740 has 288 divisors, whose sum is σ = 520168320. Its totient is φ = 27869184.

The previous prime is 140152739. The next prime is 140152757. The reversal of 140152740 is 47251041.

It is a self number, because there is not a number n which added to its sum of digits gives 140152740.

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 95 ways as a sum of consecutive naturals, for example, 726084 + ... + 726276.

It is an arithmetic number, because the mean of its divisors is an integer number (1806140).

Almost surely, 2140152740 is an apocalyptic number.

140152740 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 140152740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260084160).

140152740 is an abundant number, since it is smaller than the sum of its proper divisors (380015580).

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

140152740 is a wasteful number, since it uses less digits than its factorization.

140152740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 140152740 is about 11838.6122497529. The cubic root of 140152740 is about 519.4381752564.

The spelling of 140152740 in words is "one hundred forty million, one hundred fifty-two thousand, seven hundred forty".