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30589404 = 2233896553
BaseRepresentation
bin111010010110…
…0000111011100
32010120002202220
41310230013130
530312330104
63011345340
7521001636
oct164540734
963502686
1030589404
11162a32aa
12a2b2250
136450351
1440c3a56
152a437d9
hex1d2c1dc

30589404 has 24 divisors (see below), whose sum is σ = 71569680. Its totient is φ = 10168704.

The previous prime is 30589399. The next prime is 30589421. The reversal of 30589404 is 40498503.

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, 1392 + ... + 7944.

It is an arithmetic number, because the mean of its divisors is an integer number (2982070).

Almost surely, 230589404 is an apocalyptic number.

It is an amenable number.

30589404 is an abundant number, since it is smaller than the sum of its proper divisors (40980276).

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

30589404 is a wasteful number, since it uses less digits than its factorization.

30589404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6949 (or 6947 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 30589404 is about 5530.7688434792. The cubic root of 30589404 is about 312.7449735646.

Subtracting 30589404 from its reverse (40498503), we obtain a palindrome (9909099).

The spelling of 30589404 in words is "thirty million, five hundred eighty-nine thousand, four hundred four".

Divisors: 1 2 3 4 6 12 389 778 1167 1556 2334 4668 6553 13106 19659 26212 39318 78636 2549117 5098234 7647351 10196468 15294702 30589404