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30613922 = 271792729
BaseRepresentation
bin111010011001…
…0000110100010
32010121100101222
41310302012202
530314121142
63012055042
7521133263
oct164620642
963540358
1030613922
111630a769
12a304482
13645b561
1440cc96a
152a4abd2
hex1d321a2

30613922 has 16 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 14894880.

The previous prime is 30613909. The next prime is 30613927. The reversal of 30613922 is 22931603.

It is a junction number, because it is equal to n+sod(n) for n = 30613891 and 30613900.

It is not an unprimeable number, because it can be changed into a prime (30613927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9854 + ... + 12582.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 230613922 is an apocalyptic number.

30613922 is a deficient number, since it is larger than the sum of its proper divisors (16560478).

30613922 is a wasteful number, since it uses less digits than its factorization.

30613922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 30613922 is about 5532.9849087089. The cubic root of 30613922 is about 312.8285083023.

The spelling of 30613922 in words is "thirty million, six hundred thirteen thousand, nine hundred twenty-two".

Divisors: 1 2 71 79 142 158 2729 5458 5609 11218 193759 215591 387518 431182 15306961 30613922