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30229236 = 22323592339
BaseRepresentation
bin111001101010…
…0001011110100
32002212210201100
41303110023310
530214313421
62555530100
7514641612
oct163241364
962783640
1030229236
1116077744
12a159930
13635542b
14402c6b2
1529c1c26
hex1cd42f4

30229236 has 36 divisors (see below), whose sum is σ = 76658400. Its totient is φ = 10044048.

The previous prime is 30229231. The next prime is 30229249. The reversal of 30229236 is 63292203.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30229231) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11755 + ... + 14093.

It is an arithmetic number, because the mean of its divisors is an integer number (2129400).

Almost surely, 230229236 is an apocalyptic number.

30229236 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30229236 is an abundant number, since it is smaller than the sum of its proper divisors (46429164).

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

30229236 is a wasteful number, since it uses less digits than its factorization.

30229236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 30229236 is about 5498.1120396005. The cubic root of 30229236 is about 311.5126761114.

The spelling of 30229236 in words is "thirty million, two hundred twenty-nine thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 359 718 1077 1436 2154 2339 3231 4308 4678 6462 7017 9356 12924 14034 21051 28068 42102 84204 839701 1679402 2519103 3358804 5038206 7557309 10076412 15114618 30229236