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140731058 = 21313739509
BaseRepresentation
bin10000110001101…
…10001010110010
3100210210212201102
420120312022302
5242011343213
621544204402
73326123426
oct1030661262
9323725642
10140731058
1172491366
123b169702
1323205020
1414994b86
15c54d158
hex86362b2

140731058 has 16 divisors (see below), whose sum is σ = 228999960. Its totient is φ = 64477056.

The previous prime is 140731057. The next prime is 140731111. The reversal of 140731058 is 850137041.

140731058 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 82864609 + 57866449 = 9103^2 + 7607^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140731058.

It is not an unprimeable number, because it can be changed into a prime (140731057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16193 + ... + 23316.

Almost surely, 2140731058 is an apocalyptic number.

140731058 is a deficient number, since it is larger than the sum of its proper divisors (88268902).

140731058 is a wasteful number, since it uses less digits than its factorization.

140731058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39661.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 140731058 is about 11863.0121807237. The cubic root of 140731058 is about 520.1516544846.

Adding to 140731058 its reverse (850137041), we get a palindrome (990868099).

The spelling of 140731058 in words is "one hundred forty million, seven hundred thirty-one thousand, fifty-eight".

Divisors: 1 2 13 26 137 274 1781 3562 39509 79018 513617 1027234 5412733 10825466 70365529 140731058