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30247470724 = 22869592
BaseRepresentation
bin11100001010111000…
…111100011010000100
32220001222221201101111
4130022320330122010
5443421323030344
621521232134404
72120363154562
oct341270743204
986058851344
1030247470724
11119119aa499
125a41997404
132b10730493
14166d266a32
15bc070d834
hex70ae3c684

30247470724 has 9 divisors (see below), whose sum is σ = 52933682487. Its totient is φ = 15123561444.

The previous prime is 30247470719. The next prime is 30247470727. The reversal of 30247470724 is 42707474203.

The square root of 30247470724 is 173918.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30247470727) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 304357 + ... + 391315.

Almost surely, 230247470724 is an apocalyptic number.

30247470724 is the 173918-th square number.

It is an amenable number.

30247470724 is a deficient number, since it is larger than the sum of its proper divisors (22686211763).

30247470724 is an frugal number, since it uses more digits than its factorization.

30247470724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173922 (or 86961 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 40.

The spelling of 30247470724 in words is "thirty billion, two hundred forty-seven million, four hundred seventy thousand, seven hundred twenty-four".

Divisors: 1 2 4 86959 173918 347836 7561867681 15123735362 30247470724