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992768965 = 5198553793
BaseRepresentation
bin111011001011000…
…111001111000101
32120012001212222221
4323023013033011
54013122101330
6242302252341
733413253106
oct7313071705
92505055887
10992768965
1146a435021
122385870b1
1312a8a7a76
1495bc83ad
155c253b7a
hex3b2c73c5

992768965 has 4 divisors (see below), whose sum is σ = 1191322764. Its totient is φ = 794215168.

The previous prime is 992768951. The next prime is 992768969. The reversal of 992768965 is 569867299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 569867299 = 1484338393.

It can be written as a sum of positive squares in 2 ways, for example, as 775176964 + 217592001 = 27842^2 + 14751^2 .

It is a cyclic number.

It is not a de Polignac number, because 992768965 - 29 = 992768453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992768969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99276892 + ... + 99276901.

It is an arithmetic number, because the mean of its divisors is an integer number (297830691).

Almost surely, 2992768965 is an apocalyptic number.

It is an amenable number.

992768965 is a deficient number, since it is larger than the sum of its proper divisors (198553799).

992768965 is a wasteful number, since it uses less digits than its factorization.

992768965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198553798.

The product of its digits is 14696640, while the sum is 61.

The square root of 992768965 is about 31508.2364628679. The cubic root of 992768965 is about 997.5838217846.

It can be divided in two parts, 99276 and 8965, that added together give a square (108241 = 3292).

The spelling of 992768965 in words is "nine hundred ninety-two million, seven hundred sixty-eight thousand, nine hundred sixty-five".

Divisors: 1 5 198553793 992768965