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30411612 = 22347112353
BaseRepresentation
bin111010000000…
…0101101011100
32010020001220000
41310000231130
530241132422
63003454300
7516331410
oct164005534
963201800
1030411612
1116191770
12a227390
1363ba44a
144078d40
152a0acac
hex1d00b5c

30411612 has 240 divisors, whose sum is σ = 105380352. Its totient is φ = 7413120.

The previous prime is 30411607. The next prime is 30411629. The reversal of 30411612 is 21611403.

It is a happy number.

It is a super-2 number, since 2×304116122 = 1849732288877088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 573778 + ... + 573830.

Almost surely, 230411612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30411612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52690176).

30411612 is an abundant number, since it is smaller than the sum of its proper divisors (74968740).

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

30411612 is a wasteful number, since it uses less digits than its factorization.

30411612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 30411612 is about 5514.6724290750. The cubic root of 30411612 is about 312.1378828431.

The spelling of 30411612 in words is "thirty million, four hundred eleven thousand, six hundred twelve".