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13789152 = 25321329127
BaseRepresentation
bin110100100110…
…011111100000
3221221120011100
4310212133200
512012223102
61211314400
7225130416
oct64463740
927846140
1013789152
117868aa3
12474ba00
132b1a480
141b8d2b6
151325a1c
hexd267e0

13789152 has 144 divisors (see below), whose sum is σ = 44029440. Its totient is φ = 4064256.

The previous prime is 13789151. The next prime is 13789163. The reversal of 13789152 is 25198731.

13789152 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13789151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108513 + ... + 108639.

It is an arithmetic number, because the mean of its divisors is an integer number (305760).

Almost surely, 213789152 is an apocalyptic number.

13789152 is a gapful number since it is divisible by the number (12) 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 13789152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22014720).

13789152 is an abundant number, since it is smaller than the sum of its proper divisors (30240288).

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

13789152 is a wasteful number, since it uses less digits than its factorization.

13789152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 174 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 13789152 is about 3713.3747454304. The cubic root of 13789152 is about 239.7981636396.

The spelling of 13789152 in words is "thirteen million, seven hundred eighty-nine thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 29 32 36 39 48 52 58 72 78 87 96 104 116 117 127 144 156 174 208 232 234 254 261 288 312 348 377 381 416 464 468 508 522 624 696 754 762 928 936 1016 1044 1131 1143 1248 1392 1508 1524 1651 1872 2032 2088 2262 2286 2784 3016 3048 3302 3393 3683 3744 4064 4176 4524 4572 4953 6032 6096 6604 6786 7366 8352 9048 9144 9906 11049 12064 12192 13208 13572 14732 14859 18096 18288 19812 22098 26416 27144 29464 29718 33147 36192 36576 39624 44196 47879 52832 54288 58928 59436 66294 79248 88392 95758 108576 117856 118872 132588 143637 158496 176784 191516 237744 265176 287274 353568 383032 430911 475488 530352 574548 766064 861822 1060704 1149096 1532128 1723644 2298192 3447288 4596384 6894576 13789152