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10772665 = 52154533
BaseRepresentation
bin101001000110…
…000010111001
3202021022022121
4221012002321
510224211130
61022521241
7160365121
oct51060271
922238277
1010772665
116098732
123736221
132302477
141605c81
15e2bd7a
hexa460b9

10772665 has 4 divisors (see below), whose sum is σ = 12927204. Its totient is φ = 8618128.

The previous prime is 10772647. The next prime is 10772687. The reversal of 10772665 is 56627701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56627701 = 134355977.

It can be written as a sum of positive squares in 2 ways, for example, as 7485696 + 3286969 = 2736^2 + 1813^2 .

It is a cyclic number.

It is not a de Polignac number, because 10772665 - 213 = 10764473 is a prime.

It is a super-2 number, since 2×107726652 = 232100622404450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10772665.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077262 + ... + 1077271.

It is an arithmetic number, because the mean of its divisors is an integer number (3231801).

Almost surely, 210772665 is an apocalyptic number.

It is an amenable number.

10772665 is a deficient number, since it is larger than the sum of its proper divisors (2154539).

10772665 is an equidigital number, since it uses as much as digits as its factorization.

10772665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154538.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 10772665 is about 3282.1738223318. The cubic root of 10772665 is about 220.8552453239.

The spelling of 10772665 in words is "ten million, seven hundred seventy-two thousand, six hundred sixty-five".

Divisors: 1 5 2154533 10772665