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140257572 = 2237132943103
BaseRepresentation
bin10000101110000…
…10100100100100
3100202220211012220
420113002210210
5241401220242
621530112340
73322112130
oct1027024444
9322824186
10140257572
1172198654
123ab7b6b0
132309a660
14148b03c0
15c4a7bec
hex85c2924

140257572 has 192 divisors, whose sum is σ = 430510080. Its totient is φ = 34546176.

The previous prime is 140257571. The next prime is 140257577. The reversal of 140257572 is 275752041.

It is not an unprimeable number, because it can be changed into a prime (140257571) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1361673 + ... + 1361775.

It is an arithmetic number, because the mean of its divisors is an integer number (2242240).

Almost surely, 2140257572 is an apocalyptic number.

140257572 is a gapful number since it is divisible by the number (12) 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 140257572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215255040).

140257572 is an abundant number, since it is smaller than the sum of its proper divisors (290252508).

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

140257572 is a wasteful number, since it uses less digits than its factorization.

140257572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 140257572 is about 11843.0389681027. The cubic root of 140257572 is about 519.5676534518.

The spelling of 140257572 in words is "one hundred forty million, two hundred fifty-seven thousand, five hundred seventy-two".