Search a number
-
+
45400811 is a prime number
BaseRepresentation
bin1010110100110…
…0001011101011
310011102121012112
42231030023223
543110311221
64301032535
71060620611
oct255141353
9104377175
1045400811
112369a335
121325574b
139537bb1
14605b6b1
153ebc15b
hex2b4c2eb

45400811 has 2 divisors, whose sum is σ = 45400812. Its totient is φ = 45400810.

The previous prime is 45400783. The next prime is 45400843. The reversal of 45400811 is 11800454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45400811 is a prime.

It is a super-2 number, since 2×454008112 = 4122467278915442, which contains 22 as substring.

It is equal to p2741036 and since 45400811 and 2741036 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (45400871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22700405 + 22700406.

It is an arithmetic number, because the mean of its divisors is an integer number (22700406).

Almost surely, 245400811 is an apocalyptic number.

45400811 is a deficient number, since it is larger than the sum of its proper divisors (1).

45400811 is an equidigital number, since it uses as much as digits as its factorization.

45400811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 45400811 is about 6738.0123923899. The cubic root of 45400811 is about 356.7422416301.

The spelling of 45400811 in words is "forty-five million, four hundred thousand, eight hundred eleven".