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10506129 = 33502043
BaseRepresentation
bin101000000100…
…111110010001
3201202202200220
4220010332101
510142144004
61013103253
7155205054
oct50047621
921682626
1010506129
115a26457
123627b29
13223b05a
141576a9b
15dc7dd9
hexa04f91

10506129 has 4 divisors (see below), whose sum is σ = 14008176. Its totient is φ = 7004084.

The previous prime is 10506079. The next prime is 10506169. The reversal of 10506129 is 92160501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10506129 - 29 = 10505617 is a prime.

It is a super-2 number, since 2×105061292 = 220757493129282, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10506099 and 10506108.

It is not an unprimeable number, because it can be changed into a prime (10506169) 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, 1751019 + ... + 1751024.

It is an arithmetic number, because the mean of its divisors is an integer number (3502044).

Almost surely, 210506129 is an apocalyptic number.

It is an amenable number.

10506129 is a deficient number, since it is larger than the sum of its proper divisors (3502047).

10506129 is an equidigital number, since it uses as much as digits as its factorization.

10506129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502046.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 10506129 is about 3241.3159364678. The cubic root of 10506129 is about 219.0185551719.

The spelling of 10506129 in words is "ten million, five hundred six thousand, one hundred twenty-nine".

Divisors: 1 3 3502043 10506129