Search a number
-
+
427452761 is a prime number
BaseRepresentation
bin11001011110100…
…110100101011001
31002210022211221202
4121132212211121
51333411442021
6110225443545
713410200651
oct3136464531
91083284852
10427452761
111aa31664a
12bb1a05b5
136a734038
1440aad361
15277d7a0b
hex197a6959

427452761 has 2 divisors, whose sum is σ = 427452762. Its totient is φ = 427452760.

The previous prime is 427452737. The next prime is 427452797. The reversal of 427452761 is 167254724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 367297225 + 60155536 = 19165^2 + 7756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-427452761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (427412761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213726380 + 213726381.

It is an arithmetic number, because the mean of its divisors is an integer number (213726381).

Almost surely, 2427452761 is an apocalyptic number.

It is an amenable number.

427452761 is a deficient number, since it is larger than the sum of its proper divisors (1).

427452761 is an equidigital number, since it uses as much as digits as its factorization.

427452761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 38.

The square root of 427452761 is about 20674.9307374898. The cubic root of 427452761 is about 753.2908788868.

The spelling of 427452761 in words is "four hundred twenty-seven million, four hundred fifty-two thousand, seven hundred sixty-one".