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30441830 = 253044183
BaseRepresentation
bin111010000100…
…0000101100110
32010021121100012
41310020011212
530243114310
63004250222
7516515456
oct164100546
963247305
1030441830
1116202441
12a240972
1363cb123
144085d66
152a14c05
hex1d08166

30441830 has 8 divisors (see below), whose sum is σ = 54795312. Its totient is φ = 12176728.

The previous prime is 30441823. The next prime is 30441841. The reversal of 30441830 is 3814403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30441796 and 30441805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522082 + ... + 1522101.

It is an arithmetic number, because the mean of its divisors is an integer number (6849414).

Almost surely, 230441830 is an apocalyptic number.

30441830 is a deficient number, since it is larger than the sum of its proper divisors (24353482).

30441830 is a wasteful number, since it uses less digits than its factorization.

30441830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044190.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 30441830 is about 5517.4115307814. The cubic root of 30441830 is about 312.2412321846.

The spelling of 30441830 in words is "thirty million, four hundred forty-one thousand, eight hundred thirty".

Divisors: 1 2 5 10 3044183 6088366 15220915 30441830