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30964290 = 2357147449
BaseRepresentation
bin111011000011…
…1101001000010
32011021011000120
41312013221002
530411324130
63023401110
7524122620
oct166075102
964234016
1030964290
1116529a25
12a453196
136551b86
144180510
152ab9910
hex1d87a42

30964290 has 32 divisors (see below), whose sum is σ = 84931200. Its totient is φ = 7077504.

The previous prime is 30964289. The next prime is 30964291. The reversal of 30964290 is 9246903.

It is an interprime number because it is at equal distance from previous prime (30964289) and next prime (30964291).

It is not an unprimeable number, because it can be changed into a prime (30964291) 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, 73515 + ... + 73934.

It is an arithmetic number, because the mean of its divisors is an integer number (2654100).

Almost surely, 230964290 is an apocalyptic number.

30964290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30964290 is an abundant number, since it is smaller than the sum of its proper divisors (53966910).

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

30964290 is a wasteful number, since it uses less digits than its factorization.

30964290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147466.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 30964290 is about 5564.5565861082. The cubic root of 30964290 is about 314.0173966317.

The spelling of 30964290 in words is "thirty million, nine hundred sixty-four thousand, two hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 147449 294898 442347 737245 884694 1032143 1474490 2064286 2211735 3096429 4423470 5160715 6192858 10321430 15482145 30964290