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233428470 = 23511707359
BaseRepresentation
bin11011110100111…
…01010111110110
3121021020101122220
431322131113312
5434224202340
635055103210
75533052322
oct1572352766
9537211586
10233428470
1110a8452a0
1266211b06
133948c972
1423004982
151575ded0
hexde9d5f6

233428470 has 32 divisors (see below), whose sum is σ = 611159040. Its totient is φ = 56588640.

The previous prime is 233428451. The next prime is 233428477. The reversal of 233428470 is 74824332.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233428477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353350 + ... + 354009.

It is an arithmetic number, because the mean of its divisors is an integer number (19098720).

Almost surely, 2233428470 is an apocalyptic number.

233428470 is an abundant number, since it is smaller than the sum of its proper divisors (377730570).

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

233428470 is a wasteful number, since it uses less digits than its factorization.

233428470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707380.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 233428470 is about 15278.3660775621. The cubic root of 233428470 is about 615.7219098816.

The spelling of 233428470 in words is "two hundred thirty-three million, four hundred twenty-eight thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 707359 1414718 2122077 3536795 4244154 7073590 7780949 10610385 15561898 21220770 23342847 38904745 46685694 77809490 116714235 233428470