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30660568 = 2337103583
BaseRepresentation
bin111010011110…
…1011111011000
32010200201101121
41310331133120
530322114233
63013055024
7521416261
oct164753730
963621347
1030660568
1116341814
12a327474
136476863
144101968
152a5992d
hex1d3d7d8

30660568 has 16 divisors (see below), whose sum is σ = 59042880. Its totient is φ = 14915808.

The previous prime is 30660563. The next prime is 30660577. The reversal of 30660568 is 86506603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30660563) 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, 51496 + ... + 52087.

It is an arithmetic number, because the mean of its divisors is an integer number (3690180).

Almost surely, 230660568 is an apocalyptic number.

It is an amenable number.

30660568 is a deficient number, since it is larger than the sum of its proper divisors (28382312).

30660568 is a wasteful number, since it uses less digits than its factorization.

30660568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103626 (or 103622 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 30660568 is about 5537.1985696740. The cubic root of 30660568 is about 312.9873117987.

The spelling of 30660568 in words is "thirty million, six hundred sixty thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 37 74 148 296 103583 207166 414332 828664 3832571 7665142 15330284 30660568