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392028742 = 2759347221
BaseRepresentation
bin10111010111011…
…110001001000110
31000022200010100001
4113113132021012
51300324404432
6102522311514
712500121640
oct2727361106
91008603301
10392028742
11191320aa6
12ab35859a
13632b0291
143a0cb890
152463b9e7
hex175de246

392028742 has 16 divisors (see below), whose sum is σ = 673196832. Its totient is φ = 167725440.

The previous prime is 392028737. The next prime is 392028743. The reversal of 392028742 is 247820293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392028743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15309 + ... + 31912.

It is an arithmetic number, because the mean of its divisors is an integer number (42074802).

Almost surely, 2392028742 is an apocalyptic number.

392028742 is a deficient number, since it is larger than the sum of its proper divisors (281168090).

392028742 is a wasteful number, since it uses less digits than its factorization.

392028742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47823.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 392028742 is about 19799.7157050297. The cubic root of 392028742 is about 731.8790286023.

The spelling of 392028742 in words is "three hundred ninety-two million, twenty-eight thousand, seven hundred forty-two".

Divisors: 1 2 7 14 593 1186 4151 8302 47221 94442 330547 661094 28002053 56004106 196014371 392028742