Search a number
-
+
401108957 is a prime number
BaseRepresentation
bin10111111010000…
…110111111011101
31000221202110001022
4113322012333131
51310140441312
6103445053525
712640240604
oct2772067735
91027673038
10401108957
11196463107
12b23b72a5
136513c2a2
143b3b2a3b
1525332172
hex17e86fdd

401108957 has 2 divisors, whose sum is σ = 401108958. Its totient is φ = 401108956.

The previous prime is 401108941. The next prime is 401108987. The reversal of 401108957 is 759801104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328841956 + 72267001 = 18134^2 + 8501^2 .

It is a cyclic number.

It is not a de Polignac number, because 401108957 - 24 = 401108941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401108987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200554478 + 200554479.

It is an arithmetic number, because the mean of its divisors is an integer number (200554479).

Almost surely, 2401108957 is an apocalyptic number.

It is an amenable number.

401108957 is a deficient number, since it is larger than the sum of its proper divisors (1).

401108957 is an equidigital number, since it uses as much as digits as its factorization.

401108957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 401108957 is about 20027.7047361898. The cubic root of 401108957 is about 737.4865768695.

The spelling of 401108957 in words is "four hundred one million, one hundred eight thousand, nine hundred fifty-seven".