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2402423 = 17141319
BaseRepresentation
bin1001001010100001110111
311112001111122
421022201313
51103334143
6123254155
726264102
oct11124167
94461448
102402423
1113a0a81
1297a35b
1366166a
14467739
15326c68
hex24a877

2402423 has 4 divisors (see below), whose sum is σ = 2543760. Its totient is φ = 2261088.

The previous prime is 2402401. The next prime is 2402431. The reversal of 2402423 is 3242042.

2402423 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 2402423 - 218 = 2140279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 141319 = 2402423 / (2 + 4 + 0 + 2 + 4 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402483) 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, 70643 + ... + 70676.

It is an arithmetic number, because the mean of its divisors is an integer number (635940).

22402423 is an apocalyptic number.

2402423 is a deficient number, since it is larger than the sum of its proper divisors (141337).

2402423 is a wasteful number, since it uses less digits than its factorization.

2402423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141336.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2402423 is about 1549.9751610913. The cubic root of 2402423 is about 133.9316314188.

Adding to 2402423 its reverse (3242042), we get a palindrome (5644465).

The spelling of 2402423 in words is "two million, four hundred two thousand, four hundred twenty-three".

Divisors: 1 17 141319 2402423