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15068742 = 2313193189
BaseRepresentation
bin111001011110…
…111001000110
31001100120102120
4321132321012
512324144432
61254550410
7242040123
oct71367106
931316376
1015068742
118562407
125068406
133177a20
14200374a
1514c9c2c
hexe5ee46

15068742 has 16 divisors (see below), whose sum is σ = 32455920. Its totient is φ = 4636512.

The previous prime is 15068741. The next prime is 15068789. The reversal of 15068742 is 24786051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15068741) 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, 96517 + ... + 96672.

It is an arithmetic number, because the mean of its divisors is an integer number (2028495).

Almost surely, 215068742 is an apocalyptic number.

15068742 is an abundant number, since it is smaller than the sum of its proper divisors (17387178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15068742 is a wasteful number, since it uses less digits than its factorization.

15068742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193207.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 15068742 is about 3881.8477559018. The cubic root of 15068742 is about 246.9973719445.

The spelling of 15068742 in words is "fifteen million, sixty-eight thousand, seven hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 193189 386378 579567 1159134 2511457 5022914 7534371 15068742