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30439714 = 21133672
BaseRepresentation
bin111010000011…
…1100100100010
32010021111102211
41310013210202
530243032324
63004232334
7516506344
oct164074442
963244384
1030439714
1116200898
12a23b6aa
1363ca186
144085294
152a14294
hex1d07922

30439714 has 12 divisors (see below), whose sum is σ = 46189494. Its totient is φ = 15044064.

The previous prime is 30439709. The next prime is 30439769. The reversal of 30439714 is 41793403.

It can be written as a sum of positive squares in only one way, i.e., 30305025 + 134689 = 5505^2 + 367^2 .

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 5 ways as a sum of consecutive naturals, for example, 82759 + ... + 83125.

Almost surely, 230439714 is an apocalyptic number.

30439714 is a deficient number, since it is larger than the sum of its proper divisors (15749780).

30439714 is an equidigital number, since it uses as much as digits as its factorization.

30439714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 30439714 is about 5517.2197708629. The cubic root of 30439714 is about 312.2339974273.

The spelling of 30439714 in words is "thirty million, four hundred thirty-nine thousand, seven hundred fourteen".

Divisors: 1 2 113 226 367 734 41471 82942 134689 269378 15219857 30439714