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61266 = 2310211
BaseRepresentation
bin1110111101010010
310010001010
432331102
53430031
61151350
7343422
oct167522
9103033
1061266
1142037
122b556
1321b6a
1418482
1513246
hexef52

61266 has 8 divisors (see below), whose sum is σ = 122544. Its totient is φ = 20420.

The previous prime is 61261. The next prime is 61283. The reversal of 61266 is 66216.

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

61266 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61261) by changing a digit.

61266 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5100 + ... + 5111.

It is an arithmetic number, because the mean of its divisors is an integer number (15318).

261266 is an apocalyptic number.

61266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61272).

61266 is a wasteful number, since it uses less digits than its factorization.

61266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10216.

The product of its digits is 432, while the sum is 21.

The square root of 61266 is about 247.5196961860. The cubic root of 61266 is about 39.4221078912.

Subtracting 61266 from its reverse (66216), we obtain a triangular number (4950 = T99).

The spelling of 61266 in words is "sixty-one thousand, two hundred sixty-six".

Divisors: 1 2 3 6 10211 20422 30633 61266