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10242851 = 47217933
BaseRepresentation
bin100111000100…
…101100100011
3201021101112212
4213010230203
510110232401
61003312335
7153030353
oct47045443
921241485
1010242851
115866673
12351b6ab
132178278
141508b63
15d74dbb
hex9c4b23

10242851 has 4 divisors (see below), whose sum is σ = 10460832. Its totient is φ = 10024872.

The previous prime is 10242847. The next prime is 10242853. The reversal of 10242851 is 15824201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10242851 - 22 = 10242847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10242853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108920 + ... + 109013.

It is an arithmetic number, because the mean of its divisors is an integer number (2615208).

Almost surely, 210242851 is an apocalyptic number.

10242851 is a deficient number, since it is larger than the sum of its proper divisors (217981).

10242851 is an equidigital number, since it uses as much as digits as its factorization.

10242851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217980.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 10242851 is about 3200.4454377477. The cubic root of 10242851 is about 217.1735605946.

The spelling of 10242851 in words is "ten million, two hundred forty-two thousand, eight hundred fifty-one".

Divisors: 1 47 217933 10242851