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30196556 = 22131734159
BaseRepresentation
bin111001100110…
…0001101001100
32002211010212222
41303030031030
530212242211
62555114512
7514444415
oct163141514
962733788
1030196556
1116055135
12a142a38
1363435b0
14402080c
1529b71db
hex1ccc34c

30196556 has 24 divisors (see below), whose sum is σ = 60258240. Its totient is φ = 13116672.

The previous prime is 30196553. The next prime is 30196571. The reversal of 30196556 is 65569103.

30196556 is nontrivially palindromic in base 7.

It is a super-2 number, since 2×301965562 = 1823663988522272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30196553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16196 + ... + 17963.

It is an arithmetic number, because the mean of its divisors is an integer number (2510760).

Almost surely, 230196556 is an apocalyptic number.

It is an amenable number.

30196556 is a deficient number, since it is larger than the sum of its proper divisors (30061684).

30196556 is a wasteful number, since it uses less digits than its factorization.

30196556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34193 (or 34191 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 30196556 is about 5495.1393066964. The cubic root of 30196556 is about 311.4003796910.

The spelling of 30196556 in words is "thirty million, one hundred ninety-six thousand, five hundred fifty-six".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 34159 68318 136636 444067 580703 888134 1161406 1776268 2322812 7549139 15098278 30196556