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693142 = 21133067
BaseRepresentation
bin10101001001110010110
31022012210221
42221032112
5134140032
622504554
75614552
oct2511626
91265727
10693142
1143384a
1229515a
131b3658
14140862
15da597
hexa9396

693142 has 8 divisors (see below), whose sum is σ = 1049256. Its totient is φ = 343392.

The previous prime is 693137. The next prime is 693149. The reversal of 693142 is 241396.

693142 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (693149) by changing a digit.

693142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308 + ... + 1759.

It is an arithmetic number, because the mean of its divisors is an integer number (131157).

2693142 is an apocalyptic number.

693142 is a deficient number, since it is larger than the sum of its proper divisors (356114).

693142 is a wasteful number, since it uses less digits than its factorization.

693142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182.

The product of its digits is 1296, while the sum is 25.

The square root of 693142 is about 832.5514999086. The cubic root of 693142 is about 88.4994839682.

The spelling of 693142 in words is "six hundred ninety-three thousand, one hundred forty-two".

Divisors: 1 2 113 226 3067 6134 346571 693142