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392230233 = 32193225809
BaseRepresentation
bin10111011000001…
…111010101011001
31000100001100201200
4113120033111121
51300402331413
6102530504413
712501621243
oct2730172531
91010040650
10392230233
1119144941a
12ab435109
1363350bc5
143a141093
152467b573
hex1760f559

392230233 has 12 divisors (see below), whose sum is σ = 569492820. Its totient is φ = 260130816.

The previous prime is 392230217. The next prime is 392230253. The reversal of 392230233 is 332032293.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 250810569 + 141419664 = 15837^2 + 11892^2 .

It is not a de Polignac number, because 392230233 - 24 = 392230217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 392230197 and 392230206.

It is not an unprimeable number, because it can be changed into a prime (392230253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111168 + ... + 114641.

It is an arithmetic number, because the mean of its divisors is an integer number (47457735).

Almost surely, 2392230233 is an apocalyptic number.

It is an amenable number.

392230233 is a deficient number, since it is larger than the sum of its proper divisors (177262587).

392230233 is a wasteful number, since it uses less digits than its factorization.

392230233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226008 (or 226005 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

The square root of 392230233 is about 19804.8032810225. The cubic root of 392230233 is about 732.0043950735.

The spelling of 392230233 in words is "three hundred ninety-two million, two hundred thirty thousand, two hundred thirty-three".

Divisors: 1 3 9 193 579 1737 225809 677427 2032281 43581137 130743411 392230233