Search a number
-
+
30536556 = 22317149689
BaseRepresentation
bin111010001111…
…1001101101100
32010110102021120
41310133031230
530304132211
63010300540
7520361601
oct164371554
963412246
1030536556
1116267626
12a287750
13643228b
1440ac6a8
152a32d06
hex1d1f36c

30536556 has 24 divisors (see below), whose sum is σ = 75443760. Its totient is φ = 9580032.

The previous prime is 30536543. The next prime is 30536563. The reversal of 30536556 is 65563503.

It is a super-2 number, since 2×305365562 = 1864962504682272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74641 + ... + 75048.

It is an arithmetic number, because the mean of its divisors is an integer number (3143490).

Almost surely, 230536556 is an apocalyptic number.

It is an amenable number.

30536556 is an abundant number, since it is smaller than the sum of its proper divisors (44907204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30536556 is a wasteful number, since it uses less digits than its factorization.

30536556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149713 (or 149711 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 33.

The square root of 30536556 is about 5525.9891422260. The cubic root of 30536556 is about 312.5647643902.

The spelling of 30536556 in words is "thirty million, five hundred thirty-six thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 149689 299378 449067 598756 898134 1796268 2544713 5089426 7634139 10178852 15268278 30536556