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30455044 = 229777793
BaseRepresentation
bin111010000101…
…1010100000100
32010022021110121
41310023110010
530244030134
63004431324
7516602134
oct164132404
963267417
1030455044
1116211364
12a248544
136404149
14408aac4
152a18ab4
hex1d0b504

30455044 has 12 divisors (see below), whose sum is σ = 53357724. Its totient is φ = 15209984.

The previous prime is 30455003. The next prime is 30455057. The reversal of 30455044 is 44055403.

It can be written as a sum of positive squares in 2 ways, for example, as 29160000 + 1295044 = 5400^2 + 1138^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12 + ... + 7804.

It is an arithmetic number, because the mean of its divisors is an integer number (4446477).

Almost surely, 230455044 is an apocalyptic number.

It is an amenable number.

30455044 is a deficient number, since it is larger than the sum of its proper divisors (22902680).

30455044 is a wasteful number, since it uses less digits than its factorization.

30455044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8774 (or 8772 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 30455044 is about 5518.6088826805. The cubic root of 30455044 is about 312.2864042258.

The spelling of 30455044 in words is "thirty million, four hundred fifty-five thousand, forty-four".

Divisors: 1 2 4 977 1954 3908 7793 15586 31172 7613761 15227522 30455044