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13969004 = 22723109199
BaseRepresentation
bin110101010010…
…011001101100
3222021200212112
4311102121230
512034002004
61215223152
7226506650
oct65223154
928250775
1013969004
117981135
124817ab8
132b812aa
141bd8a60
15135de6e
hexd5266c

13969004 has 48 divisors (see below), whose sum is σ = 29568000. Its totient is φ = 5645376.

The previous prime is 13969001. The next prime is 13969057. The reversal of 13969004 is 40096931.

13969004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13969001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70097 + ... + 70295.

It is an arithmetic number, because the mean of its divisors is an integer number (616000).

Almost surely, 213969004 is an apocalyptic number.

13969004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13969004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14784000).

13969004 is an abundant number, since it is smaller than the sum of its proper divisors (15598996).

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

13969004 is a wasteful number, since it uses less digits than its factorization.

13969004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 13969004 is about 3737.5130769002. The cubic root of 13969004 is about 240.8362264898.

The spelling of 13969004 in words is "thirteen million, nine hundred sixty-nine thousand, four".

Divisors: 1 2 4 7 14 23 28 46 92 109 161 199 218 322 398 436 644 763 796 1393 1526 2507 2786 3052 4577 5014 5572 9154 10028 17549 18308 21691 32039 35098 43382 64078 70196 86764 128156 151837 303674 498893 607348 997786 1995572 3492251 6984502 13969004