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13022394 = 2371171397
BaseRepresentation
bin110001101011…
…010010111010
3220111121100220
4301223102322
511313204034
61143040510
7215455110
oct61532272
926447326
1013022394
117394a10
124440136
13290c478
141a2dab0
151223749
hexc6b4ba

13022394 has 64 divisors (see below), whose sum is σ = 33011712. Its totient is φ = 3326400.

The previous prime is 13022389. The next prime is 13022413. The reversal of 13022394 is 49322031.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 32604 + ... + 33000.

It is an arithmetic number, because the mean of its divisors is an integer number (515808).

Almost surely, 213022394 is an apocalyptic number.

13022394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13022394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16505856).

13022394 is an abundant number, since it is smaller than the sum of its proper divisors (19989318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13022394 is a wasteful number, since it uses less digits than its factorization.

13022394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13022394 is about 3608.6554282724. The cubic root of 13022394 is about 235.2684061635.

The spelling of 13022394 in words is "thirteen million, twenty-two thousand, three hundred ninety-four".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 71 77 142 154 213 231 397 426 462 497 781 794 994 1191 1491 1562 2343 2382 2779 2982 4367 4686 5467 5558 8337 8734 10934 13101 16401 16674 26202 28187 30569 32802 56374 61138 84561 91707 169122 183414 197309 310057 394618 591927 620114 930171 1183854 1860342 2170399 4340798 6511197 13022394