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30504568 = 2311033457
BaseRepresentation
bin111010001011…
…1011001111000
32010101210101211
41310113121320
530302121233
63005452504
7520166413
oct164273170
963353354
1030504568
1116245596
12a271134
136420853
1440a0b7a
152a285cd
hex1d17678

30504568 has 16 divisors (see below), whose sum is σ = 57264480. Its totient is φ = 15234048.

The previous prime is 30504503. The next prime is 30504569. The reversal of 30504568 is 86540503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30504569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7096 + ... + 10552.

It is an arithmetic number, because the mean of its divisors is an integer number (3579030).

Almost surely, 230504568 is an apocalyptic number.

It is an amenable number.

30504568 is a deficient number, since it is larger than the sum of its proper divisors (26759912).

30504568 is a wasteful number, since it uses less digits than its factorization.

30504568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566 (or 4562 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 30504568 is about 5523.0940603977. The cubic root of 30504568 is about 312.4555857946.

The spelling of 30504568 in words is "thirty million, five hundred four thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 1103 2206 3457 4412 6914 8824 13828 27656 3813071 7626142 15252284 30504568