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7996869 = 32888541
BaseRepresentation
bin11110100000010111000101
3120001021122100
4132200113011
54021344434
6443222313
7124654326
oct36402705
916037570
107996869
114572191
122817999
13186cb9a
1410c244d
15a7e699
hex7a05c5

7996869 has 6 divisors (see below), whose sum is σ = 11551046. Its totient is φ = 5331240.

The previous prime is 7996867. The next prime is 7996871. The reversal of 7996869 is 9686997.

It is an interprime number because it is at equal distance from previous prime (7996867) and next prime (7996871).

It can be written as a sum of positive squares in only one way, i.e., 5062500 + 2934369 = 2250^2 + 1713^2 .

It is not a de Polignac number, because 7996869 - 21 = 7996867 is a prime.

It is a super-2 number, since 2×79968692 = 127899827606322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7996867) 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 5 ways as a sum of consecutive naturals, for example, 444262 + ... + 444279.

Almost surely, 27996869 is an apocalyptic number.

It is an amenable number.

7996869 is a deficient number, since it is larger than the sum of its proper divisors (3554177).

7996869 is a wasteful number, since it uses less digits than its factorization.

7996869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888547 (or 888544 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 7996869 is about 2827.8735827473. The cubic root of 7996869 is about 199.9739049287.

The spelling of 7996869 in words is "seven million, nine hundred ninety-six thousand, eight hundred sixty-nine".

Divisors: 1 3 9 888541 2665623 7996869