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10420161 = 323914533
BaseRepresentation
bin100111101111…
…111111000001
3201121101202220
4213233333001
510131421121
61011201253
7154366323
oct47577701
921541686
1010420161
115977904
1235a6229
13220ab9b
141553613
15dac6c6
hex9effc1

10420161 has 8 divisors (see below), whose sum is σ = 13952640. Its totient is φ = 6917232.

The previous prime is 10420159. The next prime is 10420169. The reversal of 10420161 is 16102401.

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

It is not a de Polignac number, because 10420161 - 21 = 10420159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10420161.

It is not an unprimeable number, because it can be changed into a prime (10420169) 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, 6550 + ... + 7983.

It is an arithmetic number, because the mean of its divisors is an integer number (1744080).

Almost surely, 210420161 is an apocalyptic number.

It is an amenable number.

10420161 is a deficient number, since it is larger than the sum of its proper divisors (3532479).

10420161 is a wasteful number, since it uses less digits than its factorization.

10420161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14775.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 10420161 is about 3228.0274162405. The cubic root of 10420161 is about 218.4195341046.

Adding to 10420161 its reverse (16102401), we get a palindrome (26522562).

The spelling of 10420161 in words is "ten million, four hundred twenty thousand, one hundred sixty-one".

Divisors: 1 3 239 717 14533 43599 3473387 10420161