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29925930 = 2353133187
BaseRepresentation
bin111001000101…
…0001000101010
32002022101122210
41302022020222
530130112210
62545225550
7512236416
oct162121052
962271583
1029925930
111598a881
12a0322b6
13627a368
143d8dd46
152961e20
hex1c8a22a

29925930 has 32 divisors (see below), whose sum is σ = 72074304. Its totient is φ = 7952256.

The previous prime is 29925913. The next prime is 29925947. The reversal of 29925930 is 3952992.

It is an interprime number because it is at equal distance from previous prime (29925913) and next prime (29925947).

It is a super-2 number, since 2×299259302 = 1791122572729800, which contains 22 as substring.

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, 7797 + ... + 10983.

It is an arithmetic number, because the mean of its divisors is an integer number (2252322).

Almost surely, 229925930 is an apocalyptic number.

29925930 is an abundant number, since it is smaller than the sum of its proper divisors (42148374).

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

29925930 is a wasteful number, since it uses less digits than its factorization.

29925930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 29925930 is about 5470.4597612998. The cubic root of 29925930 is about 310.4673146091.

The spelling of 29925930 in words is "twenty-nine million, nine hundred twenty-five thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 313 626 939 1565 1878 3130 3187 4695 6374 9390 9561 15935 19122 31870 47805 95610 997531 1995062 2992593 4987655 5985186 9975310 14962965 29925930