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675934989 = 3225311663
BaseRepresentation
bin101000010010011…
…111001100001101
31202002220001111020
4220102133030031
52341014404424
6151023344353
722515231642
oct5022371415
91662801436
10675934989
11317602a64
1216a4520b9
13aa064942
1465ab1dc9
153e51c079
hex2849f30d

675934989 has 4 divisors (see below), whose sum is σ = 901246656. Its totient is φ = 450623324.

The previous prime is 675934951. The next prime is 675934993. The reversal of 675934989 is 989439576.

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 a cyclic number.

It is not a de Polignac number, because 675934989 - 221 = 673837837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675934939) 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, 112655829 + ... + 112655834.

It is an arithmetic number, because the mean of its divisors is an integer number (225311664).

Almost surely, 2675934989 is an apocalyptic number.

It is an amenable number.

675934989 is a deficient number, since it is larger than the sum of its proper divisors (225311667).

675934989 is a wasteful number, since it uses less digits than its factorization.

675934989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225311666.

The product of its digits is 14696640, while the sum is 60.

The square root of 675934989 is about 25998.7497584018. The cubic root of 675934989 is about 877.6101604381.

The spelling of 675934989 in words is "six hundred seventy-five million, nine hundred thirty-four thousand, nine hundred eighty-nine".

Divisors: 1 3 225311663 675934989