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389083442 = 21117685611
BaseRepresentation
bin10111001100001…
…111000100110010
31000010010111010212
4113030033010302
51244101132232
6102335224122
712433104026
oct2714170462
91003114125
10389083442
1118a69a170
12aa378042
13627bb7b7
1439962386
1524258eb2
hex1730f132

389083442 has 8 divisors (see below), whose sum is σ = 636682032. Its totient is φ = 176856100.

The previous prime is 389083421. The next prime is 389083451. The reversal of 389083442 is 244380983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 389083442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8842784 + ... + 8842827.

It is an arithmetic number, because the mean of its divisors is an integer number (79585254).

Almost surely, 2389083442 is an apocalyptic number.

389083442 is a deficient number, since it is larger than the sum of its proper divisors (247598590).

389083442 is a wasteful number, since it uses less digits than its factorization.

389083442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17685624.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 389083442 is about 19725.1981485611. The cubic root of 389083442 is about 730.0415576517.

The spelling of 389083442 in words is "three hundred eighty-nine million, eighty-three thousand, four hundred forty-two".

Divisors: 1 2 11 22 17685611 35371222 194541721 389083442