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390890002 = 21910286579
BaseRepresentation
bin10111010011001…
…000001000010010
31000020112021021111
4113103020020102
51300031440002
6102442043534
712454336666
oct2723101022
91006467244
10390890002
11190713498
12aaaa95aa
1362ca1b79
1439cb28a6
15244b43d7
hex174c8212

390890002 has 8 divisors (see below), whose sum is σ = 617194800. Its totient is φ = 185158404.

The previous prime is 390889981. The next prime is 390890011. The reversal of 390890002 is 200098093.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5143252 + ... + 5143327.

It is an arithmetic number, because the mean of its divisors is an integer number (77149350).

Almost surely, 2390890002 is an apocalyptic number.

390890002 is a deficient number, since it is larger than the sum of its proper divisors (226304798).

390890002 is a wasteful number, since it uses less digits than its factorization.

390890002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10286600.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 390890002 is about 19770.9383186535. The cubic root of 390890002 is about 731.1697029029.

The spelling of 390890002 in words is "three hundred ninety million, eight hundred ninety thousand, two".

Divisors: 1 2 19 38 10286579 20573158 195445001 390890002