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30550956 = 22310923357
BaseRepresentation
bin111010010001…
…0101110101100
32010111011000220
41310202232230
530310112311
63010451340
7520451562
oct164425654
963434026
1030550956
1116277427
12a293b50
1364389b7
1440b3a32
152a37206
hex1d22bac

30550956 has 24 divisors (see below), whose sum is σ = 71942640. Its totient is φ = 10089792.

The previous prime is 30550943. The next prime is 30550963. The reversal of 30550956 is 65905503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10371 + ... + 12986.

It is an arithmetic number, because the mean of its divisors is an integer number (2997610).

Almost surely, 230550956 is an apocalyptic number.

It is an amenable number.

30550956 is an abundant number, since it is smaller than the sum of its proper divisors (41391684).

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

30550956 is a wasteful number, since it uses less digits than its factorization.

30550956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23473 (or 23471 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 33.

The square root of 30550956 is about 5527.2919228136. The cubic root of 30550956 is about 312.6138883025.

The spelling of 30550956 in words is "thirty million, five hundred fifty thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 109 218 327 436 654 1308 23357 46714 70071 93428 140142 280284 2545913 5091826 7637739 10183652 15275478 30550956