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140057701 = 720008243
BaseRepresentation
bin10000101100100…
…01110001100101
3100202112200001021
420112101301211
5241323321301
621521531141
73320320330
oct1026216145
9322480037
10140057701
1172071473
123aaa3ab1
132302a6a4
141485b617
15c4688a1
hex8591c65

140057701 has 4 divisors (see below), whose sum is σ = 160065952. Its totient is φ = 120049452.

The previous prime is 140057699. The next prime is 140057707. The reversal of 140057701 is 107750041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 107750041 = 715392863.

It is a cyclic number.

It is not a de Polignac number, because 140057701 - 21 = 140057699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140057707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10004115 + ... + 10004128.

It is an arithmetic number, because the mean of its divisors is an integer number (40016488).

Almost surely, 2140057701 is an apocalyptic number.

It is an amenable number.

140057701 is a deficient number, since it is larger than the sum of its proper divisors (20008251).

140057701 is an equidigital number, since it uses as much as digits as its factorization.

140057701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20008250.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 140057701 is about 11834.5976272960. The cubic root of 140057701 is about 519.3207366017.

The spelling of 140057701 in words is "one hundred forty million, fifty-seven thousand, seven hundred one".

Divisors: 1 7 20008243 140057701