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608641 = 1155331
BaseRepresentation
bin10010100100110000001
31010220220021
42110212001
5123434031
621013441
75113315
oct2244601
91126807
10608641
11386310
12254281
13184057
1411bb45
15c0511
hex94981

608641 has 4 divisors (see below), whose sum is σ = 663984. Its totient is φ = 553300.

The previous prime is 608633. The next prime is 608653. The reversal of 608641 is 146806.

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 608641 - 23 = 608633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (608611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27655 + ... + 27676.

It is an arithmetic number, because the mean of its divisors is an integer number (165996).

2608641 is an apocalyptic number.

It is an amenable number.

608641 is a deficient number, since it is larger than the sum of its proper divisors (55343).

608641 is a wasteful number, since it uses less digits than its factorization.

608641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55342.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 608641 is about 780.1544718836. The cubic root of 608641 is about 84.7462327520.

The spelling of 608641 in words is "six hundred eight thousand, six hundred forty-one".

Divisors: 1 11 55331 608641