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64107742 = 2106130211
BaseRepresentation
bin1111010010001…
…1010011011110
311110122000021211
43310203103132
5112402421432
610210015034
71405623016
oct364432336
9143560254
1064107742
1133207106
121957747a
131038789a
14872ac46
155964d47
hex3d234de

64107742 has 8 divisors (see below), whose sum is σ = 96255432. Its totient is φ = 32022600.

The previous prime is 64107709. The next prime is 64107761. The reversal of 64107742 is 24770146.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12984 + ... + 17227.

It is an arithmetic number, because the mean of its divisors is an integer number (12031929).

Almost surely, 264107742 is an apocalyptic number.

64107742 is a deficient number, since it is larger than the sum of its proper divisors (32147690).

64107742 is a wasteful number, since it uses less digits than its factorization.

64107742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31274.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 64107742 is about 8006.7310433160. The cubic root of 64107742 is about 400.2243366591.

Adding to 64107742 its reverse (24770146), we get a palindrome (88877888).

The spelling of 64107742 in words is "sixty-four million, one hundred seven thousand, seven hundred forty-two".

Divisors: 1 2 1061 2122 30211 60422 32053871 64107742