Search a number
-
+
675506853 = 32724144491
BaseRepresentation
bin101000010000110…
…110101010100101
31202002002022012100
4220100312222211
52340412204403
6151010242313
722511466510
oct5020665245
91662068170
10675506853
1131734032a
1216a286399
13a9c44ac8
14659ddd77
153e4852a3
hex28436aa5

675506853 has 24 divisors (see below), whose sum is σ = 1119774656. Its totient is φ = 384393600.

The previous prime is 675506809. The next prime is 675506861. The reversal of 675506853 is 358605576.

675506853 is a `hidden beast` number, since 67 + 5 + 506 + 85 + 3 = 666.

It is not a de Polignac number, because 675506853 - 26 = 675506789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 675506799 and 675506808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675502853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7063 + ... + 37428.

Almost surely, 2675506853 is an apocalyptic number.

675506853 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

675506853 is a deficient number, since it is larger than the sum of its proper divisors (444267803).

675506853 is a wasteful number, since it uses less digits than its factorization.

675506853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44745 (or 44742 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 675506853 is about 25990.5146736266. The cubic root of 675506853 is about 877.4248290734.

It can be divided in two parts, 675 and 506853, that added together give a triangular number (507528 = T1007).

The spelling of 675506853 in words is "six hundred seventy-five million, five hundred six thousand, eight hundred fifty-three".

Divisors: 1 3 7 9 21 63 241 723 1687 2169 5061 15183 44491 133473 311437 400419 934311 2802933 10722331 32166993 75056317 96500979 225168951 675506853