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29951328 = 25311113251
BaseRepresentation
bin111001001000…
…0010101100000
32002100200111110
41302100111200
530131420303
62545543320
7512403441
oct162202540
962320443
1029951328
11159a7970
12a044b40
136288aa4
143d992c8
152969703
hex1c90560

29951328 has 96 divisors (see below), whose sum is σ = 86873472. Its totient is φ = 8960000.

The previous prime is 29951309. The next prime is 29951381. The reversal of 29951328 is 82315992.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119203 + ... + 119453.

It is an arithmetic number, because the mean of its divisors is an integer number (904932).

Almost surely, 229951328 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 29951328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43436736).

29951328 is an abundant number, since it is smaller than the sum of its proper divisors (56922144).

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

29951328 is a wasteful number, since it uses less digits than its factorization.

29951328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 380 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 29951328 is about 5472.7806460701. The cubic root of 29951328 is about 310.5551205039. Note that the first 3 decimals are identical.

The spelling of 29951328 in words is "twenty-nine million, nine hundred fifty-one thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 113 132 176 226 251 264 339 352 452 502 528 678 753 904 1004 1056 1243 1356 1506 1808 2008 2486 2712 2761 3012 3616 3729 4016 4972 5424 5522 6024 7458 8032 8283 9944 10848 11044 12048 14916 16566 19888 22088 24096 28363 29832 33132 39776 44176 56726 59664 66264 85089 88352 113452 119328 132528 170178 226904 265056 311993 340356 453808 623986 680712 907616 935979 1247972 1361424 1871958 2495944 2722848 3743916 4991888 7487832 9983776 14975664 29951328