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30879896 = 2329133103
BaseRepresentation
bin111010111001…
…1000010011000
32011002212020212
41311303002120
530401124041
63021510252
7523321565
oct165630230
964085225
1030879896
1116481583
12a412388
136522638
14415b86c
152a9e8eb
hex1d73098

30879896 has 16 divisors (see below), whose sum is σ = 59896800. Its totient is φ = 14907424.

The previous prime is 30879889. The next prime is 30879899. The reversal of 30879896 is 69897803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30879899) 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, 66320 + ... + 66783.

It is an arithmetic number, because the mean of its divisors is an integer number (3743550).

Almost surely, 230879896 is an apocalyptic number.

It is an amenable number.

30879896 is a deficient number, since it is larger than the sum of its proper divisors (29016904).

30879896 is a wasteful number, since it uses less digits than its factorization.

30879896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133138 (or 133134 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 30879896 is about 5556.9682381673. The cubic root of 30879896 is about 313.7318494497.

The spelling of 30879896 in words is "thirty million, eight hundred seventy-nine thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 29 58 116 232 133103 266206 532412 1064824 3859987 7719974 15439948 30879896