Search a number
-
+
69897922 = 21912371487
BaseRepresentation
bin1000010101010…
…00111011000010
311212112011220221
410022220323002
5120343213142
610534053254
71506060013
oct412507302
9155464827
1069897922
1136501386
121b4aa22a
1311634223
1493d700a
15620a767
hex42a8ec2

69897922 has 16 divisors (see below), whose sum is σ = 110528640. Its totient is φ = 33060528.

The previous prime is 69897913. The next prime is 69897923. The reversal of 69897922 is 22979896.

It is a self number, because there is not a number n which added to its sum of digits gives 69897922.

It is not an unprimeable number, because it can be changed into a prime (69897923) 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 in 7 ways as a sum of consecutive naturals, for example, 46263 + ... + 47749.

It is an arithmetic number, because the mean of its divisors is an integer number (6908040).

Almost surely, 269897922 is an apocalyptic number.

69897922 is a deficient number, since it is larger than the sum of its proper divisors (40630718).

69897922 is a wasteful number, since it uses less digits than its factorization.

69897922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745.

The product of its digits is 979776, while the sum is 52.

The square root of 69897922 is about 8360.4977124571. The cubic root of 69897922 is about 411.9281027336.

The spelling of 69897922 in words is "sixty-nine million, eight hundred ninety-seven thousand, nine hundred twenty-two".

Divisors: 1 2 19 38 1237 1487 2474 2974 23503 28253 47006 56506 1839419 3678838 34948961 69897922