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229711152 = 24311435059
BaseRepresentation
bin11011011000100…
…01110100110000
3121000020112110110
431230101310300
5432301224102
634443301320
75456340546
oct1554216460
9530215413
10229711152
11108736430
1264b1a840
133878a978
1422717d96
151527786c
hexdb11d30

229711152 has 40 divisors (see below), whose sum is σ = 647369280. Its totient is φ = 69609280.

The previous prime is 229711103. The next prime is 229711171. The reversal of 229711152 is 251117922.

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, 217002 + ... + 218057.

It is an arithmetic number, because the mean of its divisors is an integer number (16184232).

Almost surely, 2229711152 is an apocalyptic number.

229711152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

229711152 is an abundant number, since it is smaller than the sum of its proper divisors (417658128).

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

229711152 is a wasteful number, since it uses less digits than its factorization.

229711152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435081 (or 435075 counting only the distinct ones).

The product of its digits is 2520, while the sum is 30.

The square root of 229711152 is about 15156.2248597730. The cubic root of 229711152 is about 612.4359745376.

The spelling of 229711152 in words is "two hundred twenty-nine million, seven hundred eleven thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 435059 870118 1305177 1740236 2610354 3480472 4785649 5220708 6960944 9571298 10441416 14356947 19142596 20882832 28713894 38285192 57427788 76570384 114855576 229711152