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390367245 = 35149317431
BaseRepresentation
bin10111010001001…
…000100000001101
31000012112201012010
4113101020200031
51244413222440
6102422531433
712450031632
oct2721104015
91005481163
10390367245
11190396764
12aa896b79
1362b4ac48
1439bb8189
152440e580
hex1744880d

390367245 has 16 divisors (see below), whose sum is σ = 625041792. Its totient is φ = 208044480.

The previous prime is 390367193. The next prime is 390367267. The reversal of 390367245 is 542763093.

It is not a de Polignac number, because 390367245 - 218 = 390105101 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 13680 + ... + 31110.

It is an arithmetic number, because the mean of its divisors is an integer number (39065112).

Almost surely, 2390367245 is an apocalyptic number.

It is an amenable number.

390367245 is a deficient number, since it is larger than the sum of its proper divisors (234674547).

390367245 is a wasteful number, since it uses less digits than its factorization.

390367245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18932.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 390367245 is about 19757.7135569883. The cubic root of 390367245 is about 730.8436140678.

The spelling of 390367245 in words is "three hundred ninety million, three hundred sixty-seven thousand, two hundred forty-five".

Divisors: 1 3 5 15 1493 4479 7465 17431 22395 52293 87155 261465 26024483 78073449 130122415 390367245