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138607462 = 279900533
BaseRepresentation
bin10000100001011…
…11101101100110
3100122210222200201
420100233231212
5240440414322
621430501114
73302100250
oct1020575546
9318728621
10138607462
1171270924
123a50479a
1322940566
14145a0cd0
15c27dd27
hex842fb66

138607462 has 8 divisors (see below), whose sum is σ = 237612816. Its totient is φ = 59403192.

The previous prime is 138607423. The next prime is 138607463. The reversal of 138607462 is 264706831.

138607462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138607463) 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, 4950253 + ... + 4950280.

It is an arithmetic number, because the mean of its divisors is an integer number (29701602).

Almost surely, 2138607462 is an apocalyptic number.

138607462 is a deficient number, since it is larger than the sum of its proper divisors (99005354).

138607462 is an equidigital number, since it uses as much as digits as its factorization.

138607462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900542.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 138607462 is about 11773.1670335556. The cubic root of 138607462 is about 517.5220642961.

The spelling of 138607462 in words is "one hundred thirty-eight million, six hundred seven thousand, four hundred sixty-two".

Divisors: 1 2 7 14 9900533 19801066 69303731 138607462