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15442214 = 226928703
BaseRepresentation
bin111010111010…
…000100100110
31002001112201212
4322322010212
512423122324
61310551422
7245154014
oct72720446
932045655
1015442214
118797a67
125208572
133278a08
14209d8b4
15155070e
hexeba126

15442214 has 8 divisors (see below), whose sum is σ = 23250240. Its totient is φ = 7692136.

The previous prime is 15442187. The next prime is 15442249. The reversal of 15442214 is 41224451.

15442214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 15442214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13814 + ... + 14889.

It is an arithmetic number, because the mean of its divisors is an integer number (2906280).

Almost surely, 215442214 is an apocalyptic number.

15442214 is a deficient number, since it is larger than the sum of its proper divisors (7808026).

15442214 is a wasteful number, since it uses less digits than its factorization.

15442214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28974.

The product of its digits is 1280, while the sum is 23.

The square root of 15442214 is about 3929.6582548614. The cubic root of 15442214 is about 249.0213150358.

Adding to 15442214 its reverse (41224451), we get a palindrome (56666665).

The spelling of 15442214 in words is "fifteen million, four hundred forty-two thousand, two hundred fourteen".

Divisors: 1 2 269 538 28703 57406 7721107 15442214