Search a number
-
+
80057693 is a prime number
BaseRepresentation
bin1001100010110…
…01010101011101
312120122100111202
410301121111131
5130443321233
611535525245
71661323232
oct461312535
9176570452
1080057693
1141210591
1222989825
1313780721
14a8bd789
157065be8
hex4c5955d

80057693 has 2 divisors, whose sum is σ = 80057694. Its totient is φ = 80057692.

The previous prime is 80057651. The next prime is 80057699. The reversal of 80057693 is 39675008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71284249 + 8773444 = 8443^2 + 2962^2 .

It is a cyclic number.

It is not a de Polignac number, because 80057693 - 214 = 80041309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80057699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40028846 + 40028847.

It is an arithmetic number, because the mean of its divisors is an integer number (40028847).

Almost surely, 280057693 is an apocalyptic number.

It is an amenable number.

80057693 is a deficient number, since it is larger than the sum of its proper divisors (1).

80057693 is an equidigital number, since it uses as much as digits as its factorization.

80057693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 80057693 is about 8947.4964654925. The cubic root of 80057693 is about 430.9904929509.

The spelling of 80057693 in words is "eighty million, fifty-seven thousand, six hundred ninety-three".