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30998096 = 249719973
BaseRepresentation
bin111011000111…
…1111001010000
32011022212101122
41312033321100
530413414341
63024221412
7524323313
oct166177120
964285348
1030998096
1116552368
12a46a868
13656438c
14418c97a
152ac494b
hex1d8fe50

30998096 has 20 divisors (see below), whose sum is σ = 60681012. Its totient is φ = 15338496.

The previous prime is 30998083. The next prime is 30998111. The reversal of 30998096 is 69089903.

It can be written as a sum of positive squares in 2 ways, for example, as 12816400 + 18181696 = 3580^2 + 4264^2 .

It is a super-3 number, since 3×309980963 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8435 + ... + 11538.

Almost surely, 230998096 is an apocalyptic number.

It is an amenable number.

30998096 is a deficient number, since it is larger than the sum of its proper divisors (29682916).

30998096 is a wasteful number, since it uses less digits than its factorization.

30998096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20078 (or 20072 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 30998096 is about 5567.5933759570. The cubic root of 30998096 is about 314.1316337217.

The spelling of 30998096 in words is "thirty million, nine hundred ninety-eight thousand, ninety-six".

Divisors: 1 2 4 8 16 97 194 388 776 1552 19973 39946 79892 159784 319568 1937381 3874762 7749524 15499048 30998096