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30558054 = 2329175621
BaseRepresentation
bin111010010010…
…0011101100110
32010111111202210
41310210131212
530310324204
63010544250
7520511352
oct164443546
963444683
1030558054
111628179a
12a298086
13643bcb7
1440b6462
152a39389
hex1d24766

30558054 has 16 divisors (see below), whose sum is σ = 63223920. Its totient is φ = 9834720.

The previous prime is 30558013. The next prime is 30558113. The reversal of 30558054 is 45085503.

It is a congruent number.

It is an unprimeable number.

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, 87637 + ... + 87984.

It is an arithmetic number, because the mean of its divisors is an integer number (3951495).

Almost surely, 230558054 is an apocalyptic number.

30558054 is an abundant number, since it is smaller than the sum of its proper divisors (32665866).

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

30558054 is a wasteful number, since it uses less digits than its factorization.

30558054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175655.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 30558054 is about 5527.9339721093. The cubic root of 30558054 is about 312.6380966182.

The spelling of 30558054 in words is "thirty million, five hundred fifty-eight thousand, fifty-four".

Divisors: 1 2 3 6 29 58 87 174 175621 351242 526863 1053726 5093009 10186018 15279027 30558054