Search a number
-
+
985031 = 1757943
BaseRepresentation
bin11110000011111000111
31212001012122
43300133013
5223010111
633040155
711241545
oct3603707
91761178
10985031
11613083
123b605b
13286478
141b8d95
15146cdb
hexf07c7

985031 has 4 divisors (see below), whose sum is σ = 1042992. Its totient is φ = 927072.

The previous prime is 985027. The next prime is 985057. The reversal of 985031 is 130589.

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 985031 - 22 = 985027 is a prime.

It is a super-2 number, since 2×9850312 = 1940572141922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 2.

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 985031.

It is not an unprimeable number, because it can be changed into a prime (985331) 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, 28955 + ... + 28988.

It is an arithmetic number, because the mean of its divisors is an integer number (260748).

2985031 is an apocalyptic number.

985031 is a deficient number, since it is larger than the sum of its proper divisors (57961).

985031 is a wasteful number, since it uses less digits than its factorization.

985031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57960.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 985031 is about 992.4872795155. The cubic root of 985031 is about 99.4985227426.

The spelling of 985031 in words is "nine hundred eighty-five thousand, thirty-one".

Divisors: 1 17 57943 985031