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61012 = 2272179
BaseRepresentation
bin1110111001010100
310002200201
432321110
53423022
61150244
7342610
oct167124
9102621
1061012
1141926
122b384
1321a03
1418340
1513127
hexee54

61012 has 12 divisors (see below), whose sum is σ = 122080. Its totient is φ = 26136.

The previous prime is 61007. The next prime is 61027. The reversal of 61012 is 21016.

61012 is an admirable number.

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

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 61012.

It is a congruent number.

It is an unprimeable number.

61012 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, 1062 + ... + 1117.

261012 is an apocalyptic number.

It is an amenable number.

61012 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 (61040).

61012 is a wasteful number, since it uses less digits than its factorization.

61012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190 (or 2188 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 61012 is about 247.0060727998. The cubic root of 61012 is about 39.3675529714.

Adding to 61012 its reverse (21016), we get a palindrome (82028).

The spelling of 61012 in words is "sixty-one thousand, twelve".

Divisors: 1 2 4 7 14 28 2179 4358 8716 15253 30506 61012