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676525481 = 5077133253
BaseRepresentation
bin101000010100101…
…111010110101001
31202011000001111022
4220110233112221
52341142303411
6151044142225
722523241332
oct5024572651
91664001438
10676525481
11317976675
1216a697975
13aa210648
1465bc7289
153e5d6edb
hex2852f5a9

676525481 has 4 divisors (see below), whose sum is σ = 676663812. Its totient is φ = 676387152.

The previous prime is 676525477. The next prime is 676525483. The reversal of 676525481 is 184525676.

676525481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 646176400 + 30349081 = 25420^2 + 5509^2 .

It is a cyclic number.

It is not a de Polignac number, because 676525481 - 22 = 676525477 is a prime.

It is a super-2 number, since 2×6765254812 = 915373452884562722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676525483) 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, 61550 + ... + 71703.

It is an arithmetic number, because the mean of its divisors is an integer number (169165953).

Almost surely, 2676525481 is an apocalyptic number.

It is an amenable number.

676525481 is a deficient number, since it is larger than the sum of its proper divisors (138331).

676525481 is a wasteful number, since it uses less digits than its factorization.

676525481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138330.

The product of its digits is 403200, while the sum is 44.

The square root of 676525481 is about 26010.1034407785. The cubic root of 676525481 is about 877.8656440548.

The spelling of 676525481 in words is "six hundred seventy-six million, five hundred twenty-five thousand, four hundred eighty-one".

Divisors: 1 5077 133253 676525481