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485431 = 1929881
BaseRepresentation
bin1110110100000110111
3220122212221
41312200313
5111013211
614223211
74061152
oct1664067
9818787
10485431
11301791
121b4b07
1313cc4b
14c8c99
1598c71
hex76837

485431 has 8 divisors (see below), whose sum is σ = 529200. Its totient is φ = 443520.

The previous prime is 485423. The next prime is 485437. The reversal of 485431 is 134584.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 485431 - 23 = 485423 is a prime.

It is a super-2 number, since 2×4854312 = 471286511522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 485396 and 485405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485437) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 111 + ... + 991.

It is an arithmetic number, because the mean of its divisors is an integer number (66150).

2485431 is an apocalyptic number.

485431 is a deficient number, since it is larger than the sum of its proper divisors (43769).

485431 is a wasteful number, since it uses less digits than its factorization.

485431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929.

The product of its digits is 1920, while the sum is 25.

The square root of 485431 is about 696.7287851094. The cubic root of 485431 is about 78.5915466783.

The spelling of 485431 in words is "four hundred eighty-five thousand, four hundred thirty-one".

Divisors: 1 19 29 551 881 16739 25549 485431