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968434917 = 3322811639
BaseRepresentation
bin111001101110010…
…010010011100101
32111111021120221220
4321232102103211
53440404404132
6240032530553
732666363262
oct7156222345
92444246856
10968434917
1145772453a
122303b0a59
13125837a18
1492892269
155a048a2c
hex39b924e5

968434917 has 4 divisors (see below), whose sum is σ = 1291246560. Its totient is φ = 645623276.

The previous prime is 968434913. The next prime is 968434927. The reversal of 968434917 is 719434869.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 719434869 = 3239811623.

It is a cyclic number.

It is not a de Polignac number, because 968434917 - 22 = 968434913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 968434917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968434913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161405817 + ... + 161405822.

It is an arithmetic number, because the mean of its divisors is an integer number (322811640).

Almost surely, 2968434917 is an apocalyptic number.

It is an amenable number.

968434917 is a deficient number, since it is larger than the sum of its proper divisors (322811643).

968434917 is a wasteful number, since it uses less digits than its factorization.

968434917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322811642.

The product of its digits is 1306368, while the sum is 51.

The square root of 968434917 is about 31119.6869682200. The cubic root of 968434917 is about 989.3656164341.

The spelling of 968434917 in words is "nine hundred sixty-eight million, four hundred thirty-four thousand, nine hundred seventeen".

Divisors: 1 3 322811639 968434917