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232234428 = 22319352869
BaseRepresentation
bin11011101011110…
…01110110111100
3121011222201202010
431311321312330
5433423000203
635013331220
75516650206
oct1565716674
9534881663
10232234428
1110a0aa188
1265936b10
133916232a
1422bb3776
15155c5303
hexdd79dbc

232234428 has 12 divisors (see below), whose sum is σ = 541880360. Its totient is φ = 77411472.

The previous prime is 232234367. The next prime is 232234439. The reversal of 232234428 is 824432232.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 232234395 and 232234404.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9676423 + ... + 9676446.

Almost surely, 2232234428 is an apocalyptic number.

It is an amenable number.

232234428 is an abundant number, since it is smaller than the sum of its proper divisors (309645932).

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

232234428 is a wasteful number, since it uses less digits than its factorization.

232234428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19352876 (or 19352874 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 232234428 is about 15239.2397448167. The cubic root of 232234428 is about 614.6702601467.

The spelling of 232234428 in words is "two hundred thirty-two million, two hundred thirty-four thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 19352869 38705738 58058607 77411476 116117214 232234428