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23042322 = 2321280129
BaseRepresentation
bin101011111100…
…1100100010010
31121100200010100
41113321210102
521344323242
62141513230
7366566532
oct127714422
947320110
1023042322
1112009046
127872816
134a0a114
1430bb4c2
15205254c
hex15f9912

23042322 has 12 divisors (see below), whose sum is σ = 49925070. Its totient is φ = 7680768.

The previous prime is 23042321. The next prime is 23042329. The reversal of 23042322 is 22324032.

It can be written as a sum of positive squares in only one way, i.e., 13549761 + 9492561 = 3681^2 + 3081^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1280129 = 23042322 / (2 + 3 + 0 + 4 + 2 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 23042295 and 23042304.

It is not an unprimeable number, because it can be changed into a prime (23042321) 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 5 ways as a sum of consecutive naturals, for example, 640047 + ... + 640082.

Almost surely, 223042322 is an apocalyptic number.

23042322 is an abundant number, since it is smaller than the sum of its proper divisors (26882748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23042322 is a wasteful number, since it uses less digits than its factorization.

23042322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280137 (or 1280134 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 23042322 is about 4800.2418689062. The cubic root of 23042322 is about 284.5610231889.

Adding to 23042322 its reverse (22324032), we get a palindrome (45366354).

The spelling of 23042322 in words is "twenty-three million, forty-two thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 1280129 2560258 3840387 7680774 11521161 23042322