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29315970 = 23252831151
BaseRepresentation
bin110111111010…
…1001110000010
32001011101221200
41233311032002
530001102340
62524202030
7504116205
oct157651602
961141850
1029315970
1115603582
129999316
1360c5838
143c7193c
152891330
hex1bf5382

29315970 has 48 divisors (see below), whose sum is σ = 76557312. Its totient is φ = 7783200.

The previous prime is 29315953. The next prime is 29315989. The reversal of 29315970 is 7951392.

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, 24895 + ... + 26045.

It is an arithmetic number, because the mean of its divisors is an integer number (1594944).

Almost surely, 229315970 is an apocalyptic number.

29315970 is an abundant number, since it is smaller than the sum of its proper divisors (47241342).

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

29315970 is a wasteful number, since it uses less digits than its factorization.

29315970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447 (or 1444 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 29315970 is about 5414.4224068685. The cubic root of 29315970 is about 308.3434704889.

The spelling of 29315970 in words is "twenty-nine million, three hundred fifteen thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 283 566 849 1151 1415 1698 2302 2547 2830 3453 4245 5094 5755 6906 8490 10359 11510 12735 17265 20718 25470 34530 51795 103590 325733 651466 977199 1628665 1954398 2931597 3257330 4885995 5863194 9771990 14657985 29315970