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138601741 = 374997507
BaseRepresentation
bin10000100001011…
…10010100001101
3100122210200211211
420100232110031
5240440223431
621430414421
73302044465
oct1020562415
9318720754
10138601741
11712675a3
123a501411
132293aa85
141459cba5
15c27c2b1
hex842e50d

138601741 has 8 divisors (see below), whose sum is σ = 142652000. Its totient is φ = 134567568.

The previous prime is 138601717. The next prime is 138601777. The reversal of 138601741 is 147106831.

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

It is a cyclic number.

It is not a de Polignac number, because 138601741 - 213 = 138593549 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 (138601781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14710 + ... + 22216.

It is an arithmetic number, because the mean of its divisors is an integer number (17831500).

Almost surely, 2138601741 is an apocalyptic number.

It is an amenable number.

138601741 is a deficient number, since it is larger than the sum of its proper divisors (4050259).

138601741 is an equidigital number, since it uses as much as digits as its factorization.

138601741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8043.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 138601741 is about 11772.9240632903. The cubic root of 138601741 is about 517.5149439857.

The spelling of 138601741 in words is "one hundred thirty-eight million, six hundred one thousand, seven hundred forty-one".

Divisors: 1 37 499 7507 18463 277759 3745993 138601741