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675689505 = 3545045967
BaseRepresentation
bin101000010001100…
…011010000100001
31202002102120202020
4220101203100201
52340434031010
6151014212053
722513160151
oct5021432041
91662376666
10675689505
11317455587
1216a354029
13a9ca9c9a
1465a4a761
153e4be470
hex28463421

675689505 has 8 divisors (see below), whose sum is σ = 1081103232. Its totient is φ = 360367728.

The previous prime is 675689467. The next prime is 675689537. The reversal of 675689505 is 505986576.

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

It is not a de Polignac number, because 675689505 - 216 = 675623969 is a prime.

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, 22522969 + ... + 22522998.

It is an arithmetic number, because the mean of its divisors is an integer number (135137904).

Almost surely, 2675689505 is an apocalyptic number.

It is an amenable number.

675689505 is a deficient number, since it is larger than the sum of its proper divisors (405413727).

675689505 is a wasteful number, since it uses less digits than its factorization.

675689505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45045975.

The product of its (nonzero) digits is 2268000, while the sum is 51.

The square root of 675689505 is about 25994.0282565054. The cubic root of 675689505 is about 877.5039049834.

The spelling of 675689505 in words is "six hundred seventy-five million, six hundred eighty-nine thousand, five hundred five".

Divisors: 1 3 5 15 45045967 135137901 225229835 675689505