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389392098 = 23139466897
BaseRepresentation
bin10111001101011…
…010011011100010
31000010201011112120
4113031122123202
51244141021343
6102350005110
712435530634
oct2715323342
91003634476
10389392098
1118a890057
12aa4a6796
1362899134
1439a02a54
15242ba683
hex1735a6e2

389392098 has 16 divisors (see below), whose sum is σ = 784388640. Its totient is φ = 128863296.

The previous prime is 389392079. The next prime is 389392109. The reversal of 389392098 is 890293983.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 389392098.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232615 + ... + 234282.

It is an arithmetic number, because the mean of its divisors is an integer number (49024290).

Almost surely, 2389392098 is an apocalyptic number.

389392098 is an abundant number, since it is smaller than the sum of its proper divisors (394996542).

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

389392098 is a wasteful number, since it uses less digits than its factorization.

389392098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467041.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 389392098 is about 19733.0204986464. The cubic root of 389392098 is about 730.2345515141.

The spelling of 389392098 in words is "three hundred eighty-nine million, three hundred ninety-two thousand, ninety-eight".

Divisors: 1 2 3 6 139 278 417 834 466897 933794 1400691 2801382 64898683 129797366 194696049 389392098