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2234512889 = 7319216127
BaseRepresentation
bin1000010100101111…
…1111010111111001
312202201122000102122
42011023333113321
514034013403024
61005421211025
7106242021560
oct20513772771
95681560378
102234512889
11a47362674
12524400a75
13297c2679b
14172aa2bd7
15d1287d5e
hex852ff5f9

2234512889 has 4 divisors (see below), whose sum is σ = 2553729024. Its totient is φ = 1915296756.

The previous prime is 2234512877. The next prime is 2234512909. The reversal of 2234512889 is 9882154322.

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: 9882154322 = 24941077161.

It is a cyclic number.

It is not a de Polignac number, because 2234512889 - 24 = 2234512873 is a prime.

It is a super-2 number, since 2×22345128892 = 9986095702214252642, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2234512849) 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, 159608057 + ... + 159608070.

It is an arithmetic number, because the mean of its divisors is an integer number (638432256).

Almost surely, 22234512889 is an apocalyptic number.

It is an amenable number.

2234512889 is a deficient number, since it is larger than the sum of its proper divisors (319216135).

2234512889 is an equidigital number, since it uses as much as digits as its factorization.

2234512889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319216134.

The product of its digits is 276480, while the sum is 44.

The square root of 2234512889 is about 47270.6345313875. The cubic root of 2234512889 is about 1307.3572752871.

The spelling of 2234512889 in words is "two billion, two hundred thirty-four million, five hundred twelve thousand, eight hundred eighty-nine".

Divisors: 1 7 319216127 2234512889