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10840161 = 33613387
BaseRepresentation
bin101001010110…
…100001100001
3202101201220110
4221112201201
510233341121
61024201533
7161065653
oct51264141
922351813
1010840161
116134412
1237692a9
1323270c7
1416226d3
15e41d76
hexa56861

10840161 has 4 divisors (see below), whose sum is σ = 14453552. Its totient is φ = 7226772.

The previous prime is 10840157. The next prime is 10840163. The reversal of 10840161 is 16104801.

10840161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 16104801 = 35368267.

It is not a de Polignac number, because 10840161 - 22 = 10840157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10840163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1806691 + ... + 1806696.

It is an arithmetic number, because the mean of its divisors is an integer number (3613388).

Almost surely, 210840161 is an apocalyptic number.

It is an amenable number.

10840161 is a deficient number, since it is larger than the sum of its proper divisors (3613391).

10840161 is an equidigital number, since it uses as much as digits as its factorization.

10840161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613390.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 10840161 is about 3292.4399766738. The cubic root of 10840161 is about 221.3155406073.

Adding to 10840161 its reverse (16104801), we get a palindrome (26944962).

The spelling of 10840161 in words is "ten million, eight hundred forty thousand, one hundred sixty-one".

Divisors: 1 3 3613387 10840161