Search a number
-
+
11272869 = 324912551
BaseRepresentation
bin101011000000…
…001010100101
3210012201110200
4223000022211
510341212434
61041341113
7164550336
oct53001245
923181420
1011272869
1163aa523
123937799
13244904a
1416d628d
15eca199
hexac02a5

11272869 has 12 divisors (see below), whose sum is σ = 16322592. Its totient is φ = 7497000.

The previous prime is 11272843. The next prime is 11272897. The reversal of 11272869 is 96827211.

It is not a de Polignac number, because 11272869 - 217 = 11141797 is a prime.

It is a super-2 number, since 2×112728692 = 254155150982322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11272169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3144 + ... + 5694.

It is an arithmetic number, because the mean of its divisors is an integer number (1360216).

Almost surely, 211272869 is an apocalyptic number.

It is an amenable number.

11272869 is a deficient number, since it is larger than the sum of its proper divisors (5049723).

11272869 is a wasteful number, since it uses less digits than its factorization.

11272869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048 (or 3045 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 11272869 is about 3357.5093447376. The cubic root of 11272869 is about 224.2219645567.

The spelling of 11272869 in words is "eleven million, two hundred seventy-two thousand, eight hundred sixty-nine".

Divisors: 1 3 9 491 1473 2551 4419 7653 22959 1252541 3757623 11272869