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29863968 = 2531729631
BaseRepresentation
bin111000111101…
…1000000100000
32002012020122220
41301323000200
530121121333
62544031040
7511560651
oct161730040
962166586
1029863968
1115948272
12a002480
1362580b4
143d75528
15294d8b3
hex1c7b020

29863968 has 96 divisors (see below), whose sum is σ = 86002560. Its totient is φ = 9031680.

The previous prime is 29863961. The next prime is 29863969. The reversal of 29863968 is 86936892.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 29863968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29863961) 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, 47013 + ... + 47643.

It is an arithmetic number, because the mean of its divisors is an integer number (895860).

Almost surely, 229863968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29863968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43001280).

29863968 is an abundant number, since it is smaller than the sum of its proper divisors (56138592).

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

29863968 is a wasteful number, since it uses less digits than its factorization.

29863968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 682 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 29863968 is about 5464.7935002157. The cubic root of 29863968 is about 310.2528911089.

The spelling of 29863968 in words is "twenty-nine million, eight hundred sixty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 29 32 34 48 51 58 68 87 96 102 116 136 174 204 232 272 348 408 464 493 544 631 696 816 928 986 1262 1392 1479 1632 1893 1972 2524 2784 2958 3786 3944 5048 5916 7572 7888 10096 10727 11832 15144 15776 18299 20192 21454 23664 30288 32181 36598 42908 47328 54897 60576 64362 73196 85816 109794 128724 146392 171632 219588 257448 292784 311083 343264 439176 514896 585568 622166 878352 933249 1029792 1244332 1756704 1866498 2488664 3732996 4977328 7465992 9954656 14931984 29863968