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10506157 = 27313847
BaseRepresentation
bin101000000100…
…111110101101
3201202202201221
4220010332231
510142144112
61013103341
7155205124
oct50047655
921682657
1010506157
115a26482
123627b51
13223b07c
141576abb
15dc7e07
hexa04fad

10506157 has 4 divisors (see below), whose sum is σ = 10512736. Its totient is φ = 10499580.

The previous prime is 10506079. The next prime is 10506169. The reversal of 10506157 is 75160501.

10506157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10506157 - 27 = 10506029 is a prime.

It is a super-2 number, since 2×105061572 = 220758669817298, 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 (10506257) 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, 808 + ... + 4654.

It is an arithmetic number, because the mean of its divisors is an integer number (2628184).

Almost surely, 210506157 is an apocalyptic number.

It is an amenable number.

10506157 is a deficient number, since it is larger than the sum of its proper divisors (6579).

10506157 is an equidigital number, since it uses as much as digits as its factorization.

10506157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 10506157 is about 3241.3202556983. The cubic root of 10506157 is about 219.0187497413.

Adding to 10506157 its reverse (75160501), we get a palindrome (85666658).

The spelling of 10506157 in words is "ten million, five hundred six thousand, one hundred fifty-seven".

Divisors: 1 2731 3847 10506157