Search a number
-
+
763242157 is a prime number
BaseRepresentation
bin101101011111100…
…010011010101101
31222012011201102001
4231133202122231
53030342222112
6203422532301
724625310536
oct5537423255
91865151361
10763242157
11361915147
12193737091
13c2182ca2
147351b68d
1547015c57
hex2d7e26ad

763242157 has 2 divisors, whose sum is σ = 763242158. Its totient is φ = 763242156.

The previous prime is 763242107. The next prime is 763242163. The reversal of 763242157 is 751242367.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 535413321 + 227828836 = 23139^2 + 15094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-763242157 is a prime.

It is a super-3 number, since 3×7632421573 (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (763242107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381621078 + 381621079.

It is an arithmetic number, because the mean of its divisors is an integer number (381621079).

Almost surely, 2763242157 is an apocalyptic number.

It is an amenable number.

763242157 is a deficient number, since it is larger than the sum of its proper divisors (1).

763242157 is an equidigital number, since it uses as much as digits as its factorization.

763242157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 37.

The square root of 763242157 is about 27626.8376221384. The cubic root of 763242157 is about 913.8763744361.

The spelling of 763242157 in words is "seven hundred sixty-three million, two hundred forty-two thousand, one hundred fifty-seven".