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693057 = 3231019
BaseRepresentation
bin10101001001101000001
31022012200210
42221031001
5134134212
622504333
75614401
oct2511501
91265623
10693057
11433782
122950a9
131b35c1
14140801
15da53c
hexa9341

693057 has 4 divisors (see below), whose sum is σ = 924080. Its totient is φ = 462036.

The previous prime is 693041. The next prime is 693061. The reversal of 693057 is 750396.

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 693057 - 24 = 693041 is a prime.

It is a D-number.

It is the 833-rd Hogben number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 693057.

It is not an unprimeable number, because it can be changed into a prime (693037) by changing a digit.

It is a nontrivial repunit in base 832.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115507 + ... + 115512.

It is an arithmetic number, because the mean of its divisors is an integer number (231020).

2693057 is an apocalyptic number.

It is an amenable number.

693057 is a deficient number, since it is larger than the sum of its proper divisors (231023).

693057 is a wasteful number, since it uses less digits than its factorization.

693057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231022.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 693057 is about 832.5004504503. The cubic root of 693057 is about 88.4958662565.

The spelling of 693057 in words is "six hundred ninety-three thousand, fifty-seven".

Divisors: 1 3 231019 693057