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10105253 = 29348457
BaseRepresentation
bin100110100011…
…000110100101
3201000101210122
4212203012211
510041332003
61000331325
7151615244
oct46430645
921011718
1010105253
115782254
123473b45
13212a752
1414b095b
15d49238
hex9a31a5

10105253 has 4 divisors (see below), whose sum is σ = 10453740. Its totient is φ = 9756768.

The previous prime is 10105247. The next prime is 10105261. The reversal of 10105253 is 35250101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35250101 = 268913109.

It can be written as a sum of positive squares in 2 ways, for example, as 2079364 + 8025889 = 1442^2 + 2833^2 .

It is a cyclic number.

It is not a de Polignac number, because 10105253 - 26 = 10105189 is a prime.

It is a super-2 number, since 2×101052532 = 204232276388018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10105213) 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, 174200 + ... + 174257.

It is an arithmetic number, because the mean of its divisors is an integer number (2613435).

Almost surely, 210105253 is an apocalyptic number.

It is an amenable number.

10105253 is a deficient number, since it is larger than the sum of its proper divisors (348487).

10105253 is an equidigital number, since it uses as much as digits as its factorization.

10105253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348486.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 10105253 is about 3178.8760592385. The cubic root of 10105253 is about 216.1967015339.

Adding to 10105253 its reverse (35250101), we get a palindrome (45355354).

The spelling of 10105253 in words is "ten million, one hundred five thousand, two hundred fifty-three".

Divisors: 1 29 348457 10105253