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7684376045 = 519721992
BaseRepresentation
bin1110010100000011…
…00100010111101101
3201211112111202020012
413022001210113231
5111214200013140
63310302503005
7361266055463
oct71201442755
921745452205
107684376045
1132936a2505
1215a5594a65
13956034998
1452c7c8833
152ee952265
hex1ca0645ed

7684376045 has 18 divisors (see below), whose sum is σ = 9315105642. Its totient is φ = 6085560096.

The previous prime is 7684376033. The next prime is 7684376053. The reversal of 7684376045 is 5406734867.

It can be written as a sum of positive squares in 3 ways, for example, as 5189473444 + 2494902601 = 72038^2 + 49949^2 .

It is not a de Polignac number, because 7684376045 - 26 = 7684375981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7684375984 and 7684376002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 38614856 + ... + 38615054.

It is an arithmetic number, because the mean of its divisors is an integer number (517505869).

Almost surely, 27684376045 is an apocalyptic number.

It is an amenable number.

7684376045 is a deficient number, since it is larger than the sum of its proper divisors (1630729597).

7684376045 is an frugal number, since it uses more digits than its factorization.

7684376045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The square root of 7684376045 is about 87660.5729219243. The cubic root of 7684376045 is about 1973.3443193903.

The spelling of 7684376045 in words is "seven billion, six hundred eighty-four million, three hundred seventy-six thousand, forty-five".

Divisors: 1 5 197 199 985 995 38809 39203 39601 194045 196015 198005 7722991 7801397 38614955 39006985 1536875209 7684376045