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30556244 = 2250315187
BaseRepresentation
bin111010010010…
…0000001010100
32010111102021202
41310210001110
530310244434
63010532032
7520503155
oct164440124
963442252
1030556244
11162803a4
12a297018
13643b224
1440b592c
152a38a7e
hex1d24054

30556244 has 12 divisors (see below), whose sum is σ = 53583264. Its totient is φ = 15246744.

The previous prime is 30556177. The next prime is 30556271. The reversal of 30556244 is 44265503.

It is a super-3 number, since 3×305562443 (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, 5582 + ... + 9605.

It is an arithmetic number, because the mean of its divisors is an integer number (4465272).

Almost surely, 230556244 is an apocalyptic number.

It is an amenable number.

30556244 is a deficient number, since it is larger than the sum of its proper divisors (23027020).

30556244 is a wasteful number, since it uses less digits than its factorization.

30556244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15694 (or 15692 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 30556244 is about 5527.7702557179. The cubic root of 30556244 is about 312.6319238197.

The spelling of 30556244 in words is "thirty million, five hundred fifty-six thousand, two hundred forty-four".

Divisors: 1 2 4 503 1006 2012 15187 30374 60748 7639061 15278122 30556244