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10262261 = 19540119
BaseRepresentation
bin100111001001…
…011011110101
3201022101011202
4213021123311
510111343021
61003542245
7153141062
oct47113365
921271152
1010262261
11587a209
12352a985
132184059
141511c69
15d7aa0b
hex9c96f5

10262261 has 4 divisors (see below), whose sum is σ = 10802400. Its totient is φ = 9722124.

The previous prime is 10262257. The next prime is 10262279. The reversal of 10262261 is 16226201.

It is a happy number.

10262261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 10262261 - 22 = 10262257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10262221) 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, 270041 + ... + 270078.

It is an arithmetic number, because the mean of its divisors is an integer number (2700600).

Almost surely, 210262261 is an apocalyptic number.

It is an amenable number.

10262261 is a deficient number, since it is larger than the sum of its proper divisors (540139).

10262261 is an equidigital number, since it uses as much as digits as its factorization.

10262261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540138.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 10262261 is about 3203.4763929207. The cubic root of 10262261 is about 217.3106539016.

Adding to 10262261 its reverse (16226201), we get a palindrome (26488462).

The spelling of 10262261 in words is "ten million, two hundred sixty-two thousand, two hundred sixty-one".

Divisors: 1 19 540119 10262261