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30439092 = 22314471753
BaseRepresentation
bin111010000011…
…1011010110100
32010021110120210
41310013122310
530243022332
63004225420
7516504465
oct164073264
963243523
1030439092
1116200382
12a23b270
1363c9ac8
144084d6c
152a13ecc
hex1d076b4

30439092 has 24 divisors (see below), whose sum is σ = 71114176. Its totient is φ = 10133568.

The previous prime is 30439081. The next prime is 30439099. The reversal of 30439092 is 29093403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30439099) by changing a digit.

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, 16488 + ... + 18240.

Almost surely, 230439092 is an apocalyptic number.

It is an amenable number.

30439092 is an abundant number, since it is smaller than the sum of its proper divisors (40675084).

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

30439092 is a wasteful number, since it uses less digits than its factorization.

30439092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207 (or 3205 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 30439092 is about 5517.1634016041. The cubic root of 30439092 is about 312.2318707005.

The spelling of 30439092 in words is "thirty million, four hundred thirty-nine thousand, ninety-two".

Divisors: 1 2 3 4 6 12 1447 1753 2894 3506 4341 5259 5788 7012 8682 10518 17364 21036 2536591 5073182 7609773 10146364 15219546 30439092