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676800605 = 51310412317
BaseRepresentation
bin101000010101110…
…010100001011101
31202011112000220002
4220111302201131
52341230104410
6151054104045
722525465415
oct5025624135
91664460802
10676800605
11318044348
1216a7ab025
13aa2a8940
1465c59645
153e63d7a5
hex2857285d

676800605 has 8 divisors (see below), whose sum is σ = 874634712. Its totient is φ = 499791168.

The previous prime is 676800557. The next prime is 676800643. The reversal of 676800605 is 506008676.

It can be written as a sum of positive squares in 4 ways, for example, as 91450969 + 585349636 = 9563^2 + 24194^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 676800605 - 212 = 676796509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5206094 + ... + 5206223.

It is an arithmetic number, because the mean of its divisors is an integer number (109329339).

Almost surely, 2676800605 is an apocalyptic number.

676800605 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

676800605 is a deficient number, since it is larger than the sum of its proper divisors (197834107).

676800605 is a wasteful number, since it uses less digits than its factorization.

676800605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10412335.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 676800605 is about 26015.3916941491. The cubic root of 676800605 is about 877.9846290655.

The spelling of 676800605 in words is "six hundred seventy-six million, eight hundred thousand, six hundred five".

Divisors: 1 5 13 65 10412317 52061585 135360121 676800605