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940231 = 1376863
BaseRepresentation
bin11100101100011000111
31202202202101
43211203013
5220041411
632052531
710664125
oct3454307
91682671
10940231
11592456
12394147
1326bc66
141a6915
151388c1
hexe58c7

940231 has 4 divisors (see below), whose sum is σ = 947232. Its totient is φ = 933232.

The previous prime is 940229. The next prime is 940241. The reversal of 940231 is 132049.

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 940231 - 21 = 940229 is a prime.

It is a super-2 number, since 2×9402312 = 1768068666722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 940199 and 940208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3295 + ... + 3568.

It is an arithmetic number, because the mean of its divisors is an integer number (236808).

2940231 is an apocalyptic number.

940231 is a deficient number, since it is larger than the sum of its proper divisors (7001).

940231 is a wasteful number, since it uses less digits than its factorization.

940231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 940231 is about 969.6550933193. The cubic root of 940231 is about 97.9666344835.

The spelling of 940231 in words is "nine hundred forty thousand, two hundred thirty-one".

Divisors: 1 137 6863 940231