Search a number
-
+
70932089 is a prime number
BaseRepresentation
bin1000011101001…
…01011001111001
311221110201112102
410032211121321
5121124311324
611012153145
71520625044
oct416453171
9157421472
1070932089
1137048368
121b9087b5
1311906b67
1495c5c5b
156361dae
hex43a5679

70932089 has 2 divisors, whose sum is σ = 70932090. Its totient is φ = 70932088.

The previous prime is 70932079. The next prime is 70932107. The reversal of 70932089 is 98023907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64722025 + 6210064 = 8045^2 + 2492^2 .

It is a cyclic number.

It is not a de Polignac number, because 70932089 - 212 = 70927993 is a prime.

It is a super-2 number, since 2×709320892 = 10062722499807842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70932019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35466044 + 35466045.

It is an arithmetic number, because the mean of its divisors is an integer number (35466045).

Almost surely, 270932089 is an apocalyptic number.

It is an amenable number.

70932089 is a deficient number, since it is larger than the sum of its proper divisors (1).

70932089 is an equidigital number, since it uses as much as digits as its factorization.

70932089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 70932089 is about 8422.1190326426. The cubic root of 70932089 is about 413.9497107266.

The spelling of 70932089 in words is "seventy million, nine hundred thirty-two thousand, eighty-nine".