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30864664 = 2319203057
BaseRepresentation
bin111010110111…
…1010100011000
32011002002100201
41311233110120
530400132124
63021311544
7523226305
oct165572430
964062321
1030864664
1116471096
12a4055b4
13651871c
1441560ac
152a9a144
hex1d6f518

30864664 has 16 divisors (see below), whose sum is σ = 60917400. Its totient is φ = 14620032.

The previous prime is 30864653. The next prime is 30864667. The reversal of 30864664 is 46646803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30864667) 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, 101377 + ... + 101680.

Almost surely, 230864664 is an apocalyptic number.

It is an amenable number.

30864664 is a deficient number, since it is larger than the sum of its proper divisors (30052736).

30864664 is a wasteful number, since it uses less digits than its factorization.

30864664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203082 (or 203078 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 30864664 is about 5555.5975376192. The cubic root of 30864664 is about 313.6802565571.

It can be divided in two parts, 3086 and 4664, that added together give a triangular number (7750 = T124).

The spelling of 30864664 in words is "thirty million, eight hundred sixty-four thousand, six hundred sixty-four".

Divisors: 1 2 4 8 19 38 76 152 203057 406114 812228 1624456 3858083 7716166 15432332 30864664