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10322021 = 43240047
BaseRepresentation
bin100111011000…
…000001100101
3201102102011002
4213120001211
510120301041
61005123045
7153510233
oct47300145
921372132
1010322021
1159100a6
123559485
1321a5308
141529953
15d8d59b
hex9d8065

10322021 has 4 divisors (see below), whose sum is σ = 10562112. Its totient is φ = 10081932.

The previous prime is 10322017. The next prime is 10322027. The reversal of 10322021 is 12022301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12022301 = 83144847.

It is a cyclic number.

It is not a de Polignac number, because 10322021 - 22 = 10322017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10321993 and 10322011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10322027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119981 + ... + 120066.

It is an arithmetic number, because the mean of its divisors is an integer number (2640528).

Almost surely, 210322021 is an apocalyptic number.

It is an amenable number.

10322021 is a deficient number, since it is larger than the sum of its proper divisors (240091).

10322021 is an equidigital number, since it uses as much as digits as its factorization.

10322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240090.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 10322021 is about 3212.7902203536. The cubic root of 10322021 is about 217.7316578741.

Adding to 10322021 its reverse (12022301), we get a palindrome (22344322).

The spelling of 10322021 in words is "ten million, three hundred twenty-two thousand, twenty-one".

Divisors: 1 43 240047 10322021