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2420231 = 11220021
BaseRepresentation
bin1001001110111000000111
311112221221012
421032320013
51104421411
6123512435
726400032
oct11167007
94487835
102420231
1114033a0
1298871b
136697b8
14470019
1532c18b
hex24ee07

2420231 has 4 divisors (see below), whose sum is σ = 2640264. Its totient is φ = 2200200.

The previous prime is 2420213. The next prime is 2420237. The reversal of 2420231 is 1320242.

2420231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2420231 - 26 = 2420167 is a prime.

It is a super-2 number, since 2×24202312 = 11715036186722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420237) 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, 110000 + ... + 110021.

It is an arithmetic number, because the mean of its divisors is an integer number (660066).

22420231 is an apocalyptic number.

2420231 is a deficient number, since it is larger than the sum of its proper divisors (220033).

2420231 is a wasteful number, since it uses less digits than its factorization.

2420231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220032.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2420231 is about 1555.7091630507. The cubic root of 2420231 is about 134.2617405844.

Adding to 2420231 its reverse (1320242), we get a palindrome (3740473).

The spelling of 2420231 in words is "two million, four hundred twenty thousand, two hundred thirty-one".

Divisors: 1 11 220021 2420231