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10412531 = 30193449
BaseRepresentation
bin100111101110…
…000111110011
3201121000022022
4213232013303
510131200111
61011102055
7154335143
oct47560763
921530268
1010412531
1159720a8
1235a192b
13220757c
141550923
15daa2db
hex9ee1f3

10412531 has 4 divisors (see below), whose sum is σ = 10419000. Its totient is φ = 10406064.

The previous prime is 10412527. The next prime is 10412533. The reversal of 10412531 is 13521401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13521401 = 23587887.

It is a cyclic number.

It is not a de Polignac number, because 10412531 - 22 = 10412527 is a prime.

It is a super-2 number, since 2×104125312 = 216841603651922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10412533) 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, 1295 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (2604750).

Almost surely, 210412531 is an apocalyptic number.

10412531 is a deficient number, since it is larger than the sum of its proper divisors (6469).

10412531 is an equidigital number, since it uses as much as digits as its factorization.

10412531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 10412531 is about 3226.8453635091. The cubic root of 10412531 is about 218.3662096573.

Adding to 10412531 its reverse (13521401), we get a palindrome (23933932).

The spelling of 10412531 in words is "ten million, four hundred twelve thousand, five hundred thirty-one".

Divisors: 1 3019 3449 10412531