Search a number
-
+
8680157 is a prime number
BaseRepresentation
bin100001000111…
…001011011101
3121022222221022
4201013023131
54210231112
6510013525
7133531403
oct41071335
917288838
108680157
114999592
122aa72a5
131a4bbb5
14121d473
15b66d72
hex8472dd

8680157 has 2 divisors, whose sum is σ = 8680158. Its totient is φ = 8680156.

The previous prime is 8680153. The next prime is 8680171. The reversal of 8680157 is 7510868.

It is a happy number.

8680157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8637721 + 42436 = 2939^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 8680157 - 22 = 8680153 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 (8680153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4340078 + 4340079.

It is an arithmetic number, because the mean of its divisors is an integer number (4340079).

Almost surely, 28680157 is an apocalyptic number.

It is an amenable number.

8680157 is a deficient number, since it is larger than the sum of its proper divisors (1).

8680157 is an equidigital number, since it uses as much as digits as its factorization.

8680157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 8680157 is about 2946.2106170469. The cubic root of 8680157 is about 205.5145274607.

The spelling of 8680157 in words is "eight million, six hundred eighty thousand, one hundred fifty-seven".