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15106901 = 412291609
BaseRepresentation
bin111001101000…
…001101010101
31001102111202212
4321220031111
512331410101
61255443205
7242256305
oct71501525
931374685
1015106901
118589047
125086505
13318c1c4
142013605
1514d61bb
hexe68355

15106901 has 8 divisors (see below), whose sum is σ = 15552600. Its totient is φ = 14664960.

The previous prime is 15106859. The next prime is 15106921. The reversal of 15106901 is 10960151.

15106901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6100900 + 9006001 = 2470^2 + 3001^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15106901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15106921) 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, 8585 + ... + 10193.

It is an arithmetic number, because the mean of its divisors is an integer number (1944075).

Almost surely, 215106901 is an apocalyptic number.

It is an amenable number.

15106901 is a deficient number, since it is larger than the sum of its proper divisors (445699).

15106901 is a wasteful number, since it uses less digits than its factorization.

15106901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 15106901 is about 3886.7597044325. The cubic root of 15106901 is about 247.2056890027.

The spelling of 15106901 in words is "fifteen million, one hundred six thousand, nine hundred one".

Divisors: 1 41 229 1609 9389 65969 368461 15106901