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10220023 = 11284463
BaseRepresentation
bin100110111111…
…000111110111
3201020020020101
4212333013313
510104020043
61003014531
7152603662
oct46770767
921206211
1010220023
115850500
12350a447
13216aa68
1415006d9
15d6d24d
hex9bf1f7

10220023 has 6 divisors (see below), whose sum is σ = 11233712. Its totient is φ = 9290820.

The previous prime is 10220011. The next prime is 10220033. The reversal of 10220023 is 32002201.

It is not a de Polignac number, because 10220023 - 25 = 10219991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10219991 and 10220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42111 + ... + 42352.

Almost surely, 210220023 is an apocalyptic number.

10220023 is a deficient number, since it is larger than the sum of its proper divisors (1013689).

10220023 is an equidigital number, since it uses as much as digits as its factorization.

10220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84485 (or 84474 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 10220023 is about 3196.8770698918. The cubic root of 10220023 is about 217.0121040627.

Adding to 10220023 its reverse (32002201), we get a palindrome (42222224).

The spelling of 10220023 in words is "ten million, two hundred twenty thousand, twenty-three".

Divisors: 1 11 121 84463 929093 10220023