Search a number
-
+
42900679 is a prime number
BaseRepresentation
bin1010001110100…
…1110011000111
32222201120200001
42203221303013
541440310204
64131302131
71030435603
oct243516307
988646601
1042900679
1122241a08
121244a947
138b70c23
1459aa503
153b764a4
hex28e9cc7

42900679 has 2 divisors, whose sum is σ = 42900680. Its totient is φ = 42900678.

The previous prime is 42900667. The next prime is 42900709. The reversal of 42900679 is 97600924.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42900679 - 25 = 42900647 is a prime.

It is a super-2 number, since 2×429006792 = 3680936517322082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42900079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21450339 + 21450340.

It is an arithmetic number, because the mean of its divisors is an integer number (21450340).

Almost surely, 242900679 is an apocalyptic number.

42900679 is a deficient number, since it is larger than the sum of its proper divisors (1).

42900679 is an equidigital number, since it uses as much as digits as its factorization.

42900679 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 37.

The square root of 42900679 is about 6549.8609908913. The cubic root of 42900679 is about 350.0698608846.

The spelling of 42900679 in words is "forty-two million, nine hundred thousand, six hundred seventy-nine".