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485842831 = 4721102911
BaseRepresentation
bin11100111101010…
…101111110001111
31020212012101001221
4130331111332033
51443333432311
6120113144211
715016411255
oct3475257617
91225171057
10485842831
1122a277a01
1211685b067
1379869286
144874c5d5
152c9bd671
hex1cf55f8f

485842831 has 4 divisors (see below), whose sum is σ = 485950464. Its totient is φ = 485735200.

The previous prime is 485842817. The next prime is 485842843. The reversal of 485842831 is 138248584.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 485842831 - 213 = 485834639 is a prime.

It is a super-2 number, since 2×4858428312 = 472086512868189122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485842801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46735 + ... + 56176.

It is an arithmetic number, because the mean of its divisors is an integer number (121487616).

Almost surely, 2485842831 is an apocalyptic number.

485842831 is a deficient number, since it is larger than the sum of its proper divisors (107633).

485842831 is a wasteful number, since it uses less digits than its factorization.

485842831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107632.

The product of its digits is 245760, while the sum is 43.

The square root of 485842831 is about 22041.8427314959. The cubic root of 485842831 is about 786.1376561816.

It can be divided in two parts, 48584 and 2831, that added together give a palindrome (51415).

The spelling of 485842831 in words is "four hundred eighty-five million, eight hundred forty-two thousand, eight hundred thirty-one".

Divisors: 1 4721 102911 485842831