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30442504 = 233805313
BaseRepresentation
bin111010000100…
…0010000001000
32010021122021011
41310020100020
530243130004
63004253304
7516520441
oct164102010
963248234
1030442504
11162029a4
12a241234
1363cb521
1440862c8
152a15004
hex1d08408

30442504 has 8 divisors (see below), whose sum is σ = 57079710. Its totient is φ = 15221248.

The previous prime is 30442499. The next prime is 30442537. The reversal of 30442504 is 40524403.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16826404 + 13616100 = 4102^2 + 3690^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1902649 + ... + 1902664.

Almost surely, 230442504 is an apocalyptic number.

It is an amenable number.

30442504 is a deficient number, since it is larger than the sum of its proper divisors (26637206).

30442504 is a wasteful number, since it uses less digits than its factorization.

30442504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805319 (or 3805315 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 30442504 is about 5517.4726098097. The cubic root of 30442504 is about 312.2435365691.

Adding to 30442504 its reverse (40524403), we get a palindrome (70966907).

The spelling of 30442504 in words is "thirty million, four hundred forty-two thousand, five hundred four".

Divisors: 1 2 4 8 3805313 7610626 15221252 30442504