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2022423 = 31323989
BaseRepresentation
bin111101101110000010111
310210202020120
413231300113
51004204143
6111203023
723122164
oct7556027
93722216
102022423
111161527
12816473
1355a700
143a906b
1529e383
hex1edc17

2022423 has 12 divisors (see below), whose sum is σ = 2920680. Its totient is φ = 1244256.

The previous prime is 2022421. The next prime is 2022469. The reversal of 2022423 is 3242202.

It is not a de Polignac number, because 2022423 - 21 = 2022421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1488 + ... + 2501.

It is an arithmetic number, because the mean of its divisors is an integer number (243390).

22022423 is an apocalyptic number.

2022423 is a deficient number, since it is larger than the sum of its proper divisors (898257).

2022423 is a wasteful number, since it uses less digits than its factorization.

2022423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018 (or 4005 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2022423 is about 1422.1191933168. The cubic root of 2022423 is about 126.4612097055.

Adding to 2022423 its reverse (3242202), we get a palindrome (5264625).

The spelling of 2022423 in words is "two million, twenty-two thousand, four hundred twenty-three".

Divisors: 1 3 13 39 169 507 3989 11967 51857 155571 674141 2022423