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15314201 = 72187743
BaseRepresentation
bin111010011010…
…110100011001
31001211001010122
4322122310121
512410023301
61304123025
7244111550
oct72326431
931731118
1015314201
11870a871
125166475
133232676
142068d97
15152781b
hexe9ad19

15314201 has 4 divisors (see below), whose sum is σ = 17501952. Its totient is φ = 13126452.

The previous prime is 15314179. The next prime is 15314207. The reversal of 15314201 is 10241351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10241351 = 61167891.

It is a cyclic number.

It is not a de Polignac number, because 15314201 - 26 = 15314137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15314201.

It is not an unprimeable number, because it can be changed into a prime (15314207) 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 3 ways as a sum of consecutive naturals, for example, 1093865 + ... + 1093878.

It is an arithmetic number, because the mean of its divisors is an integer number (4375488).

Almost surely, 215314201 is an apocalyptic number.

It is an amenable number.

15314201 is a deficient number, since it is larger than the sum of its proper divisors (2187751).

15314201 is an equidigital number, since it uses as much as digits as its factorization.

15314201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187750.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 15314201 is about 3913.3363003964. The cubic root of 15314201 is about 248.3312917669.

Adding to 15314201 its reverse (10241351), we get a palindrome (25555552).

The spelling of 15314201 in words is "fifteen million, three hundred fourteen thousand, two hundred one".

Divisors: 1 7 2187743 15314201