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675237081 = 3225079027
BaseRepresentation
bin101000001111110…
…100110011011001
31202001120121010210
4220033310303121
52340330041311
6151000401333
722506264141
oct5017646331
91661517123
10675237081
11317176682
1216a176249
13a9b7c08c
146596d921
153e4303a6
hex283f4cd9

675237081 has 4 divisors (see below), whose sum is σ = 900316112. Its totient is φ = 450158052.

The previous prime is 675237047. The next prime is 675237097. The reversal of 675237081 is 180732576.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 675237081 - 214 = 675220697 is a prime.

It is a super-2 number, since 2×6752370812 = 911890231114801122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675237001) 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, 112539511 + ... + 112539516.

It is an arithmetic number, because the mean of its divisors is an integer number (225079028).

Almost surely, 2675237081 is an apocalyptic number.

It is an amenable number.

675237081 is a deficient number, since it is larger than the sum of its proper divisors (225079031).

675237081 is a wasteful number, since it uses less digits than its factorization.

675237081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225079030.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 675237081 is about 25985.3243389418. The cubic root of 675237081 is about 877.3080100422.

The spelling of 675237081 in words is "six hundred seventy-five million, two hundred thirty-seven thousand, eighty-one".

Divisors: 1 3 225079027 675237081