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10816493 = 21151263
BaseRepresentation
bin101001010000…
…101111101101
3202100112102212
4221100233231
510232111433
61023500205
7160636652
oct51205755
922315385
1010816493
116118656
123757665
1323193bc
141617c29
15e39d48
hexa50bed

10816493 has 4 divisors (see below), whose sum is σ = 10867968. Its totient is φ = 10765020.

The previous prime is 10816457. The next prime is 10816499. The reversal of 10816493 is 39461801.

It is a happy number.

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: 39461801 = 181218021.

It is a cyclic number.

It is not a de Polignac number, because 10816493 - 28 = 10816237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10816499) 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, 25421 + ... + 25842.

It is an arithmetic number, because the mean of its divisors is an integer number (2716992).

Almost surely, 210816493 is an apocalyptic number.

It is an amenable number.

10816493 is a deficient number, since it is larger than the sum of its proper divisors (51475).

10816493 is an equidigital number, since it uses as much as digits as its factorization.

10816493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51474.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 10816493 is about 3288.8437177829. The cubic root of 10816493 is about 221.1543525627.

The spelling of 10816493 in words is "ten million, eight hundred sixteen thousand, four hundred ninety-three".

Divisors: 1 211 51263 10816493