Search a number
-
+
1088894431 is a prime number
BaseRepresentation
bin100000011100111…
…0011010111011111
32210212221120100101
41000321303113133
54212224110211
6300014441531
735661310222
oct10071632737
92725846311
101088894431
1150971a559
122648032a7
13144792b41
14a488b5b9
15658e05c1
hex40e735df

1088894431 has 2 divisors, whose sum is σ = 1088894432. Its totient is φ = 1088894430.

The previous prime is 1088894399. The next prime is 1088894453. The reversal of 1088894431 is 1344988801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1088894431 - 25 = 1088894399 is a prime.

It is a super-2 number, since 2×10888944312 = 2371382163725627522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1088894491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544447215 + 544447216.

It is an arithmetic number, because the mean of its divisors is an integer number (544447216).

Almost surely, 21088894431 is an apocalyptic number.

1088894431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1088894431 is an equidigital number, since it uses as much as digits as its factorization.

1088894431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 1088894431 is about 32998.4004309300. The cubic root of 1088894431 is about 1028.7944014631.

The spelling of 1088894431 in words is "one billion, eighty-eight million, eight hundred ninety-four thousand, four hundred thirty-one".