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10801493 = 47229819
BaseRepresentation
bin101001001101…
…000101010101
3202022202212022
4221031011111
510231121433
61023302525
7160545143
oct51150525
922282768
1010801493
11610835a
12374aa45
132312621
141612593
15e35698
hexa4d155

10801493 has 4 divisors (see below), whose sum is σ = 11031360. Its totient is φ = 10571628.

The previous prime is 10801459. The next prime is 10801499. The reversal of 10801493 is 39410801.

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 10801493 - 26 = 10801429 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 (10801499) 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, 114863 + ... + 114956.

It is an arithmetic number, because the mean of its divisors is an integer number (2757840).

Almost surely, 210801493 is an apocalyptic number.

It is an amenable number.

10801493 is a deficient number, since it is larger than the sum of its proper divisors (229867).

10801493 is an equidigital number, since it uses as much as digits as its factorization.

10801493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229866.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10801493 is about 3286.5624898973. The cubic root of 10801493 is about 221.0520751140.

The spelling of 10801493 in words is "ten million, eight hundred one thousand, four hundred ninety-three".

Divisors: 1 47 229819 10801493