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10228057 = 71461151
BaseRepresentation
bin100111000001…
…000101011001
3201020122020221
4213001011121
510104244212
61003120041
7152636260
oct47010531
921218227
1010228057
115856544
123513021
132171608
1415035d7
15d70807
hex9c1159

10228057 has 4 divisors (see below), whose sum is σ = 11689216. Its totient is φ = 8766900.

The previous prime is 10228027. The next prime is 10228069. The reversal of 10228057 is 75082201.

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: 75082201 = 163460627.

It is a cyclic number.

It is not a de Polignac number, because 10228057 - 27 = 10227929 is a prime.

It is a super-2 number, since 2×102280572 = 209226299990498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10228027) 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, 730569 + ... + 730582.

It is an arithmetic number, because the mean of its divisors is an integer number (2922304).

Almost surely, 210228057 is an apocalyptic number.

It is an amenable number.

10228057 is a deficient number, since it is larger than the sum of its proper divisors (1461159).

10228057 is an equidigital number, since it uses as much as digits as its factorization.

10228057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461158.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 10228057 is about 3198.1333618222. The cubic root of 10228057 is about 217.0689538562.

The spelling of 10228057 in words is "ten million, two hundred twenty-eight thousand, fifty-seven".

Divisors: 1 7 1461151 10228057