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15065401 = 133731321
BaseRepresentation
bin111001011110…
…000100111001
31001100101211211
4321132010321
512324043101
61254523121
7242024311
oct71360471
931311754
1015065401
11855a94a
1250664a1
133176350
142002441
1514c8c51
hexe5e139

15065401 has 8 divisors (see below), whose sum is σ = 16663304. Its totient is φ = 13530240.

The previous prime is 15065389. The next prime is 15065441. The reversal of 15065401 is 10456051.

It can be written as a sum of positive squares in 4 ways, for example, as 2822400 + 12243001 = 1680^2 + 3499^2 .

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 15065401 - 217 = 14934329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15065441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15180 + ... + 16141.

It is an arithmetic number, because the mean of its divisors is an integer number (2082913).

Almost surely, 215065401 is an apocalyptic number.

It is an amenable number.

15065401 is a deficient number, since it is larger than the sum of its proper divisors (1597903).

15065401 is a wasteful number, since it uses less digits than its factorization.

15065401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31371.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 15065401 is about 3881.4173957460. The cubic root of 15065401 is about 246.9791160694.

The spelling of 15065401 in words is "fifteen million, sixty-five thousand, four hundred one".

Divisors: 1 13 37 481 31321 407173 1158877 15065401