Search a number
-
+
29956896 = 2532414359
BaseRepresentation
bin111001001000…
…1101100100000
32002100222010200
41302101230200
530132110041
62550025200
7512425614
oct162215440
962328120
1029956896
1115a01072
12a048200
13628b498
143d9b344
15296b1b6
hex1c91b20

29956896 has 144 divisors (see below), whose sum is σ = 90810720. Its totient is φ = 9354240.

The previous prime is 29956889. The next prime is 29956919. The reversal of 29956896 is 69865992.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507715 + ... + 507773.

It is an arithmetic number, because the mean of its divisors is an integer number (630630).

Almost surely, 229956896 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 29956896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45405360).

29956896 is an abundant number, since it is smaller than the sum of its proper divisors (60853824).

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

29956896 is a wasteful number, since it uses less digits than its factorization.

29956896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 148 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 29956896 is about 5473.2893217881. The cubic root of 29956896 is about 310.5743635435.

The spelling of 29956896 in words is "twenty-nine million, nine hundred fifty-six thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 41 43 48 59 72 82 86 96 118 123 129 144 164 172 177 236 246 258 288 328 344 354 369 387 472 492 516 531 656 688 708 738 774 944 984 1032 1062 1312 1376 1416 1476 1548 1763 1888 1968 2064 2124 2419 2537 2832 2952 3096 3526 3936 4128 4248 4838 5074 5289 5664 5904 6192 7052 7257 7611 8496 9676 10148 10578 11808 12384 14104 14514 15222 15867 16992 19352 20296 21156 21771 22833 28208 29028 30444 31734 38704 40592 42312 43542 45666 56416 58056 60888 63468 77408 81184 84624 87084 91332 104017 116112 121776 126936 169248 174168 182664 208034 232224 243552 253872 312051 348336 365328 416068 507744 624102 696672 730656 832136 936153 1248204 1664272 1872306 2496408 3328544 3744612 4992816 7489224 9985632 14978448 29956896