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390703422 = 23193427223
BaseRepresentation
bin10111010010011…
…010100100111110
31000020011210100010
4113102122210332
51300010002142
6102434044050
712452632014
oct2722324476
91006153303
10390703422
111905a629a
12aaa19626
1362c37c75
1439c648b4
1524478e9c
hex1749a93e

390703422 has 16 divisors (see below), whose sum is σ = 822533760. Its totient is φ = 123379992.

The previous prime is 390703393. The next prime is 390703459. The reversal of 390703422 is 224307093.

It is a self number, because there is not a number n which added to its sum of digits gives 390703422.

It is a congruent number.

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, 1713498 + ... + 1713725.

It is an arithmetic number, because the mean of its divisors is an integer number (51408360).

Almost surely, 2390703422 is an apocalyptic number.

390703422 is an abundant number, since it is smaller than the sum of its proper divisors (431830338).

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

390703422 is a wasteful number, since it uses less digits than its factorization.

390703422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427247.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 390703422 is about 19766.2192135977. The cubic root of 390703422 is about 731.0533501747.

The spelling of 390703422 in words is "three hundred ninety million, seven hundred three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 3427223 6854446 10281669 20563338 65117237 130234474 195351711 390703422