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1114920869 = 3727299147
BaseRepresentation
bin100001001110100…
…0101011110100101
32212200220211220112
41002131011132211
54240404431434
6302344342405
736425446106
oct10235053645
92780824815
101114920869
11522386607
12271474a05
13149ca62ba
14a81043ad
1567d31dce
hex427457a5

1114920869 has 4 divisors (see below), whose sum is σ = 1115223744. Its totient is φ = 1114617996.

The previous prime is 1114920853. The next prime is 1114920943. The reversal of 1114920869 is 9680294111.

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 an emirpimes, since its reverse is a distinct semiprime: 9680294111 = 16757965833.

It is a cyclic number.

It is not a de Polignac number, because 1114920869 - 24 = 1114920853 is a prime.

It is a super-2 number, since 2×11149208692 = 2486097088263430322, 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 (1114920839) 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, 145847 + ... + 153300.

It is an arithmetic number, because the mean of its divisors is an integer number (278805936).

Almost surely, 21114920869 is an apocalyptic number.

It is an amenable number.

1114920869 is a deficient number, since it is larger than the sum of its proper divisors (302875).

1114920869 is an equidigital number, since it uses as much as digits as its factorization.

1114920869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302874.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 1114920869 is about 33390.4307998564. The cubic root of 1114920869 is about 1036.9265986029.

The spelling of 1114920869 in words is "one billion, one hundred fourteen million, nine hundred twenty thousand, eight hundred sixty-nine".

Divisors: 1 3727 299147 1114920869