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10820051 = 112342767
BaseRepresentation
bin101001010001…
…100111010011
3202100201022122
4221101213103
510232220201
61023524455
7160653224
oct51214723
922321278
1010820051
1161202a0
12375972b
13231abc8
14161924b
15e3ae1b
hexa519d3

10820051 has 8 divisors (see below), whose sum is σ = 12317184. Its totient is φ = 9408520.

The previous prime is 10820027. The next prime is 10820053. The reversal of 10820051 is 15002801.

10820051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10820051 - 222 = 6625747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10820053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21131 + ... + 21636.

It is an arithmetic number, because the mean of its divisors is an integer number (1539648).

Almost surely, 210820051 is an apocalyptic number.

10820051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10820051 is a deficient number, since it is larger than the sum of its proper divisors (1497133).

10820051 is a wasteful number, since it uses less digits than its factorization.

10820051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42801.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 10820051 is about 3289.3845928988. The cubic root of 10820051 is about 221.1785988972.

Adding to 10820051 its reverse (15002801), we get a palindrome (25822852).

The spelling of 10820051 in words is "ten million, eight hundred twenty thousand, fifty-one".

Divisors: 1 11 23 253 42767 470437 983641 10820051