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161413 = 723059
BaseRepresentation
bin100111011010000101
322012102021
4213122011
520131123
63243141
71241410
oct473205
9265367
10161413
111002aa
12794b1
1358615
1442b77
1532c5d
hex27685

161413 has 4 divisors (see below), whose sum is σ = 184480. Its totient is φ = 138348.

The previous prime is 161411. The next prime is 161453. The reversal of 161413 is 314161.

161413 is digitally balanced in base 2, 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.

It is not a de Polignac number, because 161413 - 21 = 161411 is a prime.

It is a Duffinian number.

161413 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161411) 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, 11523 + ... + 11536.

It is an arithmetic number, because the mean of its divisors is an integer number (46120).

2161413 is an apocalyptic number.

It is an amenable number.

161413 is a deficient number, since it is larger than the sum of its proper divisors (23067).

161413 is an equidigital number, since it uses as much as digits as its factorization.

161413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23066.

The product of its digits is 72, while the sum is 16.

The square root of 161413 is about 401.7623675757. The cubic root of 161413 is about 54.4476955191.

Adding to 161413 its reverse (314161), we get a palindrome (475574).

The spelling of 161413 in words is "one hundred sixty-one thousand, four hundred thirteen".

Divisors: 1 7 23059 161413