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397283404 = 22717834629
BaseRepresentation
bin10111101011100…
…001000001001100
31000200120002101011
4113223201001030
51303201032104
6103231055004
712562565440
oct2753410114
91020502334
10397283404
1119428a9a1
12b1071464
13643ccc4b
143aa98820
1524d28904
hex17ae104c

397283404 has 24 divisors (see below), whose sum is σ = 841307040. Its totient is φ = 160248576.

The previous prime is 397283351. The next prime is 397283413. The reversal of 397283404 is 404382793.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 416839 + ... + 417790.

It is an arithmetic number, because the mean of its divisors is an integer number (35054460).

Almost surely, 2397283404 is an apocalyptic number.

397283404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

397283404 is an abundant number, since it is smaller than the sum of its proper divisors (444023636).

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

397283404 is a wasteful number, since it uses less digits than its factorization.

397283404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834657 (or 834655 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 397283404 is about 19931.9693959227. The cubic root of 397283404 is about 735.1345051324.

The spelling of 397283404 in words is "three hundred ninety-seven million, two hundred eighty-three thousand, four hundred four".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 834629 1669258 3338516 5842403 11684806 14188693 23369612 28377386 56754772 99320851 198641702 397283404