Search a number
-
+
392002422 = 23717549023
BaseRepresentation
bin10111010111010…
…111101101110110
31000022121210020020
4113113113231312
51300323034142
6102521550010
712466652130
oct2727275566
91008553206
10392002422
11191303249
12ab345306
13632a12c6
143a0c2050
1524633cec
hex175d7b76

392002422 has 32 divisors (see below), whose sum is σ = 948713472. Its totient is φ = 105412224.

The previous prime is 392002417. The next prime is 392002427. The reversal of 392002422 is 224200293.

It is an interprime number because it is at equal distance from previous prime (392002417) and next prime (392002427).

It is a junction number, because it is equal to n+sod(n) for n = 392002392 and 392002401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392002427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273798 + ... + 275225.

It is an arithmetic number, because the mean of its divisors is an integer number (29647296).

Almost surely, 2392002422 is an apocalyptic number.

392002422 is an abundant number, since it is smaller than the sum of its proper divisors (556711050).

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

392002422 is a wasteful number, since it uses less digits than its factorization.

392002422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549052.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 392002422 is about 19799.0510378654. The cubic root of 392002422 is about 731.8626492869.

The spelling of 392002422 in words is "three hundred ninety-two million, two thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 549023 1098046 1647069 3294138 3843161 7686322 9333391 11529483 18666782 23058966 28000173 56000346 65333737 130667474 196001211 392002422