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10948021 = 72223429
BaseRepresentation
bin101001110000…
…110110110101
3202121012212021
4221300312311
510300314041
61030353141
7162025300
oct51606665
922535767
1010948021
1161a8457
1237bb7b1
132364226
14164db37
15e63cd1
hexa70db5

10948021 has 6 divisors (see below), whose sum is σ = 12735510. Its totient is φ = 9383976.

The previous prime is 10948013. The next prime is 10948027. The reversal of 10948021 is 12084901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7761796 + 3186225 = 2786^2 + 1785^2 .

It is not a de Polignac number, because 10948021 - 23 = 10948013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10948027) 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, 111666 + ... + 111763.

It is an arithmetic number, because the mean of its divisors is an integer number (2122585).

Almost surely, 210948021 is an apocalyptic number.

It is an amenable number.

10948021 is a deficient number, since it is larger than the sum of its proper divisors (1787489).

10948021 is an equidigital number, since it uses as much as digits as its factorization.

10948021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223443 (or 223436 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 10948021 is about 3308.7793821891. The cubic root of 10948021 is about 222.0471520113.

The spelling of 10948021 in words is "ten million, nine hundred forty-eight thousand, twenty-one".

Divisors: 1 7 49 223429 1564003 10948021