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30255054 = 238635843
BaseRepresentation
bin111001101101…
…0011111001110
32002221010010120
41303122133032
530221130204
63000245410
7515110104
oct163323716
962833116
1030255054
1116095085
12a170866
1363640cb
144037c74
1529c96d9
hex1cda7ce

30255054 has 16 divisors (see below), whose sum is σ = 60590592. Its totient is φ = 10071608.

The previous prime is 30255047. The next prime is 30255067. The reversal of 30255054 is 45055203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2257 + ... + 8099.

It is an arithmetic number, because the mean of its divisors is an integer number (3786912).

Almost surely, 230255054 is an apocalyptic number.

30255054 is an abundant number, since it is smaller than the sum of its proper divisors (30335538).

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

30255054 is a wasteful number, since it uses less digits than its factorization.

30255054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 30255054 is about 5500.4594353563. The cubic root of 30255054 is about 311.6013358192.

The spelling of 30255054 in words is "thirty million, two hundred fifty-five thousand, fifty-four".

Divisors: 1 2 3 6 863 1726 2589 5178 5843 11686 17529 35058 5042509 10085018 15127527 30255054