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10254213 = 321767021
BaseRepresentation
bin100111000111…
…011110000101
3201021222010200
4213013132011
510111113323
61003441113
7153105444
oct47073605
921258120
1010254213
115874162
123526199
1321804a8
14150cd5b
15d78443
hex9c7785

10254213 has 12 divisors (see below), whose sum is σ = 15683148. Its totient is φ = 6433920.

The previous prime is 10254203. The next prime is 10254221. The reversal of 10254213 is 31245201.

It can be written as a sum of positive squares in 2 ways, for example, as 4334724 + 5919489 = 2082^2 + 2433^2 .

It is not a de Polignac number, because 10254213 - 29 = 10253701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10254203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33358 + ... + 33663.

It is an arithmetic number, because the mean of its divisors is an integer number (1306929).

Almost surely, 210254213 is an apocalyptic number.

It is an amenable number.

10254213 is a deficient number, since it is larger than the sum of its proper divisors (5428935).

10254213 is a wasteful number, since it uses less digits than its factorization.

10254213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67044 (or 67041 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10254213 is about 3202.2200111797. The cubic root of 10254213 is about 217.2538316760.

Adding to 10254213 its reverse (31245201), we get a palindrome (41499414).

The spelling of 10254213 in words is "ten million, two hundred fifty-four thousand, two hundred thirteen".

Divisors: 1 3 9 17 51 153 67021 201063 603189 1139357 3418071 10254213