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412531 = 728419
BaseRepresentation
bin1100100101101110011
3202221212221
41210231303
5101200111
612501511
73335500
oct1445563
9687787
10412531
11261a39
1217a897
13115a02
14aa4a7
1582371
hex64b73

412531 has 6 divisors (see below), whose sum is σ = 479940. Its totient is φ = 353556.

The previous prime is 412493. The next prime is 412537. The reversal of 412531 is 135214.

It is not a de Polignac number, because 412531 - 29 = 412019 is a prime.

It is a super-2 number, since 2×4125312 = 340363651922, which contains 22 as substring.

It is a Duffinian number.

412531 is a lucky number.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (412537) 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 5 ways as a sum of consecutive naturals, for example, 4161 + ... + 4258.

It is an arithmetic number, because the mean of its divisors is an integer number (79990).

2412531 is an apocalyptic number.

412531 is a deficient number, since it is larger than the sum of its proper divisors (67409).

412531 is an equidigital number, since it uses as much as digits as its factorization.

412531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8433 (or 8426 counting only the distinct ones).

The product of its digits is 120, while the sum is 16.

The square root of 412531 is about 642.2857619471. The cubic root of 412531 is about 74.4421423675.

Adding to 412531 its reverse (135214), we get a palindrome (547745).

The spelling of 412531 in words is "four hundred twelve thousand, five hundred thirty-one".

Divisors: 1 7 49 8419 58933 412531