Search a number
-
+
10572661 = 11961151
BaseRepresentation
bin101000010101…
…001101110101
3201220010222001
4220111031311
510201311121
61014335301
7155603041
oct50251565
921803861
1010572661
115a71440
12365a531
132262418
141593021
15ddc991
hexa15375

10572661 has 4 divisors (see below), whose sum is σ = 11533824. Its totient is φ = 9611500.

The previous prime is 10572659. The next prime is 10572677. The reversal of 10572661 is 16627501.

10572661 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.

It is a cyclic number.

It is not a de Polignac number, because 10572661 - 21 = 10572659 is a prime.

It is a super-2 number, since 2×105726612 = 223562321241842, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10572061) 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, 480565 + ... + 480586.

It is an arithmetic number, because the mean of its divisors is an integer number (2883456).

Almost surely, 210572661 is an apocalyptic number.

10572661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10572661 is a deficient number, since it is larger than the sum of its proper divisors (961163).

10572661 is an equidigital number, since it uses as much as digits as its factorization.

10572661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961162.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 10572661 is about 3251.5628549976. The cubic root of 10572661 is about 219.4799078058.

The spelling of 10572661 in words is "ten million, five hundred seventy-two thousand, six hundred sixty-one".

Divisors: 1 11 961151 10572661