Search a number
-
+
70293961 is a prime number
BaseRepresentation
bin1000011000010…
…01100111001001
311220021022012001
410030021213021
5120443401321
610550351001
71512326443
oct414114711
9156238161
1070293961
1136751991
121b65b461
131174257a
14949b493
156287c91
hex43099c9

70293961 has 2 divisors, whose sum is σ = 70293962. Its totient is φ = 70293960.

The previous prime is 70293947. The next prime is 70294001. The reversal of 70293961 is 16939207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63297936 + 6996025 = 7956^2 + 2645^2 .

It is a cyclic number.

It is not a de Polignac number, because 70293961 - 29 = 70293449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70293961.

It is not a weakly prime, because it can be changed into another prime (70293931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35146980 + 35146981.

It is an arithmetic number, because the mean of its divisors is an integer number (35146981).

Almost surely, 270293961 is an apocalyptic number.

It is an amenable number.

70293961 is a deficient number, since it is larger than the sum of its proper divisors (1).

70293961 is an equidigital number, since it uses as much as digits as its factorization.

70293961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 70293961 is about 8384.1493903675. The cubic root of 70293961 is about 412.7046277058.

The spelling of 70293961 in words is "seventy million, two hundred ninety-three thousand, nine hundred sixty-one".