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15106972 = 223776743
BaseRepresentation
bin111001101000…
…001110011100
31001102111212111
4321220032130
512331410342
61255443404
7242256436
oct71501634
931374774
1015106972
118589101
125086564
13318c24a
142013656
1514d6217
hexe6839c

15106972 has 6 divisors (see below), whose sum is σ = 26437208. Its totient is φ = 7553484.

The previous prime is 15106969. The next prime is 15106991. The reversal of 15106972 is 27960151.

15106972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1888368 + ... + 1888375.

Almost surely, 215106972 is an apocalyptic number.

It is an amenable number.

15106972 is a deficient number, since it is larger than the sum of its proper divisors (11330236).

15106972 is a wasteful number, since it uses less digits than its factorization.

15106972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776747 (or 3776745 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 15106972 is about 3886.7688379938. The cubic root of 15106972 is about 247.2060762777.

The spelling of 15106972 in words is "fifteen million, one hundred six thousand, nine hundred seventy-two".

Divisors: 1 2 4 3776743 7553486 15106972