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10538233 = 31339943
BaseRepresentation
bin101000001100…
…110011111001
3201211101201221
4220030303321
510144210413
61013512041
7155400466
oct50146371
921741657
1010538233
115a48592
123642621
13224c854
14158466d
15dd268d
hexa0ccf9

10538233 has 4 divisors (see below), whose sum is σ = 10878208. Its totient is φ = 10198260.

The previous prime is 10538221. The next prime is 10538237. The reversal of 10538233 is 33283501.

10538233 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 33283501 = 171957853.

It is a cyclic number.

It is not a de Polignac number, because 10538233 - 29 = 10537721 is a prime.

It is a super-2 number, since 2×105382332 = 222108709524578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10538198 and 10538207.

It is not an unprimeable number, because it can be changed into a prime (10538237) 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, 169941 + ... + 170002.

It is an arithmetic number, because the mean of its divisors is an integer number (2719552).

Almost surely, 210538233 is an apocalyptic number.

It is an amenable number.

10538233 is a deficient number, since it is larger than the sum of its proper divisors (339975).

10538233 is an equidigital number, since it uses as much as digits as its factorization.

10538233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339974.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 10538233 is about 3246.2644685854. The cubic root of 10538233 is about 219.2414162534.

The spelling of 10538233 in words is "ten million, five hundred thirty-eight thousand, two hundred thirty-three".

Divisors: 1 31 339943 10538233