Search a number
-
+
109461791 is a prime number
BaseRepresentation
bin1101000011001…
…00000100011111
321121222020100102
412201210010133
5211010234131
614510051315
72466260405
oct641440437
9247866312
10109461791
115687429a
12307a9b3b
13198a73ba
1410775475
1599231cb
hex686411f

109461791 has 2 divisors, whose sum is σ = 109461792. Its totient is φ = 109461790.

The previous prime is 109461757. The next prime is 109461797. The reversal of 109461791 is 197164901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109461791 - 26 = 109461727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109461797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54730895 + 54730896.

It is an arithmetic number, because the mean of its divisors is an integer number (54730896).

Almost surely, 2109461791 is an apocalyptic number.

109461791 is a deficient number, since it is larger than the sum of its proper divisors (1).

109461791 is an equidigital number, since it uses as much as digits as its factorization.

109461791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 109461791 is about 10462.3989122954. The cubic root of 109461791 is about 478.3592576474.

The spelling of 109461791 in words is "one hundred nine million, four hundred sixty-one thousand, seven hundred ninety-one".