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400468339 = 1945912
BaseRepresentation
bin10111110111101…
…010100101110011
31000220112220021201
4113313222211303
51310004441324
6103423232031
712631632115
oct2767524563
91026486251
10400468339
11196065877
12b2148617
1364c7681b
143b2873b5
1525257444
hex17dea973

400468339 has 6 divisors (see below), whose sum is σ = 421637460. Its totient is φ = 379308420.

The previous prime is 400468297. The next prime is 400468349. The reversal of 400468339 is 933864004.

It is not a de Polignac number, because 400468339 - 211 = 400466291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400468298 and 400468307.

It is not an unprimeable number, because it can be changed into a prime (400468349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84934 + ... + 89524.

It is an arithmetic number, because the mean of its divisors is an integer number (70272910).

Almost surely, 2400468339 is an apocalyptic number.

400468339 is a deficient number, since it is larger than the sum of its proper divisors (21169121).

400468339 is an frugal number, since it uses more digits than its factorization.

400468339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9201 (or 4610 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 400468339 is about 20011.7050497952. The cubic root of 400468339 is about 737.0937501750.

The spelling of 400468339 in words is "four hundred million, four hundred sixty-eight thousand, three hundred thirty-nine".

Divisors: 1 19 4591 87229 21077281 400468339