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30613092 = 22323110917
BaseRepresentation
bin111010011000…
…1111001100100
32010121022021020
41310301321210
530314104332
63012051140
7521130666
oct164617144
963538236
1030613092
111630a084
12a303ab0
13645b073
1440cc536
152a4a82c
hex1d31e64

30613092 has 24 divisors (see below), whose sum is σ = 74536896. Its totient is φ = 9760608.

The previous prime is 30613087. The next prime is 30613109. The reversal of 30613092 is 29031603.

It is a super-2 number, since 2×306130922 = 1874322803600928, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55183 + ... + 55734.

It is an arithmetic number, because the mean of its divisors is an integer number (3105704).

Almost surely, 230613092 is an apocalyptic number.

It is an amenable number.

30613092 is an abundant number, since it is smaller than the sum of its proper divisors (43923804).

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

30613092 is a wasteful number, since it uses less digits than its factorization.

30613092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110947 (or 110945 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 30613092 is about 5532.9099034776. The cubic root of 30613092 is about 312.8256811571.

Adding to 30613092 its reverse (29031603), we get a palindrome (59644695).

The spelling of 30613092 in words is "thirty million, six hundred thirteen thousand, ninety-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 110917 221834 332751 443668 665502 1331004 2551091 5102182 7653273 10204364 15306546 30613092