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331199 = 1130109
BaseRepresentation
bin1010000110110111111
3121211022122
41100312333
541044244
611033155
72546411
oct1206677
9554278
10331199
11206920
1213b7bb
13b799b
14889b1
15681ee
hex50dbf

331199 has 4 divisors (see below), whose sum is σ = 361320. Its totient is φ = 301080.

The previous prime is 331183. The next prime is 331207. The reversal of 331199 is 991133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331199 - 24 = 331183 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 331199.

It is not an unprimeable number, because it can be changed into a prime (331159) 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, 15044 + ... + 15065.

It is an arithmetic number, because the mean of its divisors is an integer number (90330).

2331199 is an apocalyptic number.

331199 is a deficient number, since it is larger than the sum of its proper divisors (30121).

331199 is a wasteful number, since it uses less digits than its factorization.

331199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30120.

The product of its digits is 729, while the sum is 26.

The square root of 331199 is about 575.4989139868. The cubic root of 331199 is about 69.1878240464.

The spelling of 331199 in words is "three hundred thirty-one thousand, one hundred ninety-nine".

Divisors: 1 11 30109 331199