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390693348 = 22336753993
BaseRepresentation
bin10111010010011…
…000000111100100
31000020011021112000
4113102120013210
51300004141343
6102433525300
712452560443
oct2722300744
91006137460
10390693348
11190599771
12aaa13830
1362c334c6
1439c60d5a
1524475ed3
hex174981e4

390693348 has 48 divisors (see below), whose sum is σ = 1028045760. Its totient is φ = 128284992.

The previous prime is 390693343. The next prime is 390693361. The reversal of 390693348 is 843396093.

It is not an unprimeable number, because it can be changed into a prime (390693343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19761 + ... + 34232.

It is an arithmetic number, because the mean of its divisors is an integer number (21417620).

Almost surely, 2390693348 is an apocalyptic number.

It is an amenable number.

390693348 is an abundant number, since it is smaller than the sum of its proper divisors (637352412).

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

390693348 is a wasteful number, since it uses less digits than its factorization.

390693348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54073 (or 54065 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 390693348 is about 19765.9643832523. The cubic root of 390693348 is about 731.0470668966.

The spelling of 390693348 in words is "three hundred ninety million, six hundred ninety-three thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 67 108 134 201 268 402 603 804 1206 1809 2412 3618 7236 53993 107986 161979 215972 323958 485937 647916 971874 1457811 1943748 2915622 3617531 5831244 7235062 10852593 14470124 21705186 32557779 43410372 65115558 97673337 130231116 195346674 390693348