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15393214 = 253145219
BaseRepresentation
bin111010101110…
…000110111110
31001222001112001
4322232012332
512420040324
61305532514
7244561114
oct72560676
931861461
1015393214
118764171
1251a413a
13325c615
142089ab4
151540e44
hexeae1be

15393214 has 8 divisors (see below), whose sum is σ = 23525640. Its totient is φ = 7551336.

The previous prime is 15393193. The next prime is 15393223. The reversal of 15393214 is 41239351.

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

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, 72504 + ... + 72715.

It is an arithmetic number, because the mean of its divisors is an integer number (2940705).

Almost surely, 215393214 is an apocalyptic number.

15393214 is a deficient number, since it is larger than the sum of its proper divisors (8132426).

15393214 is a wasteful number, since it uses less digits than its factorization.

15393214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145274.

The product of its digits is 3240, while the sum is 28.

The square root of 15393214 is about 3923.4186623403. The cubic root of 15393214 is about 248.7576444373.

It can be divided in two parts, 1539 and 3214, that added together give a triangular number (4753 = T97).

The spelling of 15393214 in words is "fifteen million, three hundred ninety-three thousand, two hundred fourteen".

Divisors: 1 2 53 106 145219 290438 7696607 15393214