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675656893 = 4336234337
BaseRepresentation
bin101000010001011…
…011010010111101
31202002100221000101
4220101123102331
52340432010033
6151013401101
722512663112
oct5021332275
91662327011
10675656893
1131743302a
1216a339191
13a9c981a2
1465a3c909
153e4b497d
hex2845b4bd

675656893 has 8 divisors (see below), whose sum is σ = 691720128. Its totient is φ = 659609664.

The previous prime is 675656881. The next prime is 675656897. The reversal of 675656893 is 398656576.

675656893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-675656893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675656897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153621 + ... + 157957.

It is an arithmetic number, because the mean of its divisors is an integer number (86465016).

Almost surely, 2675656893 is an apocalyptic number.

It is an amenable number.

675656893 is a deficient number, since it is larger than the sum of its proper divisors (16063235).

675656893 is a wasteful number, since it uses less digits than its factorization.

675656893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003.

The product of its digits is 8164800, while the sum is 55.

The square root of 675656893 is about 25993.4009510106. The cubic root of 675656893 is about 877.4897872476.

The spelling of 675656893 in words is "six hundred seventy-five million, six hundred fifty-six thousand, eight hundred ninety-three".

Divisors: 1 43 3623 4337 155789 186491 15712951 675656893