Search a number
-
+
70459997 is a prime number
BaseRepresentation
bin1000011001100…
…10001001011101
311220120201221112
410030302021131
5121014204442
610554111405
71513620506
oct414621135
9156521845
1070459997
1136855703
121b71b565
13117a000a
149501bad
1562bc082
hex433225d

70459997 has 2 divisors, whose sum is σ = 70459998. Its totient is φ = 70459996.

The previous prime is 70459979. The next prime is 70460023. The reversal of 70459997 is 79995407.

Together with previous prime (70459979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37810201 + 32649796 = 6149^2 + 5714^2 .

It is a cyclic number.

It is not a de Polignac number, because 70459997 - 26 = 70459933 is a prime.

It is a super-2 number, since 2×704599972 = 9929222354480018, which contains 22 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 (70459397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35229998 + 35229999.

It is an arithmetic number, because the mean of its divisors is an integer number (35229999).

Almost surely, 270459997 is an apocalyptic number.

It is an amenable number.

70459997 is a deficient number, since it is larger than the sum of its proper divisors (1).

70459997 is an equidigital number, since it uses as much as digits as its factorization.

70459997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 70459997 is about 8394.0453298752. The cubic root of 70459997 is about 413.0293115698.

The spelling of 70459997 in words is "seventy million, four hundred fifty-nine thousand, nine hundred ninety-seven".