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61814 = 231997
BaseRepresentation
bin1111000101110110
310010210102
433011312
53434224
61154102
7345134
oct170566
9103712
1061814
1142495
122b932
132219c
1418754
15134ae
hexf176

61814 has 8 divisors (see below), whose sum is σ = 95808. Its totient is φ = 29880.

The previous prime is 61813. The next prime is 61819. The reversal of 61814 is 41816.

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

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61813) 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, 437 + ... + 560.

It is an arithmetic number, because the mean of its divisors is an integer number (11976).

261814 is an apocalyptic number.

61814 is a deficient number, since it is larger than the sum of its proper divisors (33994).

61814 is a wasteful number, since it uses less digits than its factorization.

61814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030.

The product of its digits is 192, while the sum is 20.

The square root of 61814 is about 248.6242144281. The cubic root of 61814 is about 39.5392975357.

The spelling of 61814 in words is "sixty-one thousand, eight hundred fourteen".

Divisors: 1 2 31 62 997 1994 30907 61814