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13888294 = 27992021
BaseRepresentation
bin110100111110…
…101100100110
3222010121011021
4310332230212
512023411134
61213401354
7226022440
oct64765446
928117137
1013888294
117926532
12479925a
132b53634
141bb7490
1513450b4
hexd3eb26

13888294 has 8 divisors (see below), whose sum is σ = 23808528. Its totient is φ = 5952120.

The previous prime is 13888291. The next prime is 13888309. The reversal of 13888294 is 49288831.

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 13888294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13888291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495997 + ... + 496024.

It is an arithmetic number, because the mean of its divisors is an integer number (2976066).

Almost surely, 213888294 is an apocalyptic number.

13888294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13888294 is a deficient number, since it is larger than the sum of its proper divisors (9920234).

13888294 is an equidigital number, since it uses as much as digits as its factorization.

13888294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992030.

The product of its digits is 110592, while the sum is 43.

The square root of 13888294 is about 3726.7001489253. The cubic root of 13888294 is about 240.3714964226.

The spelling of 13888294 in words is "thirteen million, eight hundred eighty-eight thousand, two hundred ninety-four".

Divisors: 1 2 7 14 992021 1984042 6944147 13888294