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392143002 = 23587111341
BaseRepresentation
bin10111010111111…
…010000010011010
31000022212221001220
4113113322002122
51300342034002
6102524552510
712501106026
oct2727720232
91008787056
10392143002
11191399929
12ab3b2736
13633202a4
143a11b386
15246607bc
hex175fa09a

392143002 has 16 divisors (see below), whose sum is σ = 785629152. Its totient is φ = 130490480.

The previous prime is 392143001. The next prime is 392143007. The reversal of 392143002 is 200341293.

It is a super-2 number, since 2×3921430022 = 307552268035144008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (392143001) 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, 52149 + ... + 59192.

It is an arithmetic number, because the mean of its divisors is an integer number (49101822).

Almost surely, 2392143002 is an apocalyptic number.

392143002 is an abundant number, since it is smaller than the sum of its proper divisors (393486150).

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

392143002 is a wasteful number, since it uses less digits than its factorization.

392143002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111933.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 392143002 is about 19802.6008897821. The cubic root of 392143002 is about 731.9501257488.

Adding to 392143002 its reverse (200341293), we get a palindrome (592484295).

The spelling of 392143002 in words is "three hundred ninety-two million, one hundred forty-three thousand, two".

Divisors: 1 2 3 6 587 1174 1761 3522 111341 222682 334023 668046 65357167 130714334 196071501 392143002