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10690253 = 71527179
BaseRepresentation
bin101000110001…
…111011001101
3202010010021022
4220301323031
510214042003
61021043525
7156602630
oct50617315
922103238
1010690253
116041822
1236b65a5
1322a3ac2
1415c3c17
15e12738
hexa31ecd

10690253 has 4 divisors (see below), whose sum is σ = 12217440. Its totient is φ = 9163068.

The previous prime is 10690249. The next prime is 10690283. The reversal of 10690253 is 35209601.

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 10690253 - 22 = 10690249 is a prime.

It is a super-2 number, since 2×106902532 = 228563018408018, 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 (10690213) 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 3 ways as a sum of consecutive naturals, for example, 763583 + ... + 763596.

It is an arithmetic number, because the mean of its divisors is an integer number (3054360).

Almost surely, 210690253 is an apocalyptic number.

It is an amenable number.

10690253 is a deficient number, since it is larger than the sum of its proper divisors (1527187).

10690253 is an equidigital number, since it uses as much as digits as its factorization.

10690253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527186.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 10690253 is about 3269.5952348876. The cubic root of 10690253 is about 220.2906145589.

Adding to 10690253 its reverse (35209601), we get a palindrome (45899854).

The spelling of 10690253 in words is "ten million, six hundred ninety thousand, two hundred fifty-three".

Divisors: 1 7 1527179 10690253