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60656 = 2417223
BaseRepresentation
bin1110110011110000
310002012112
432303300
53420111
61144452
7341561
oct166360
9102175
1060656
1141632
122b128
13217bb
1418168
1512e8b
hexecf0

60656 has 20 divisors (see below), whose sum is σ = 124992. Its totient is φ = 28416.

The previous prime is 60649. The next prime is 60659. The reversal of 60656 is 65606.

60656 = T21 + T22 + ... + T71.

It is a happy number.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60659) 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, 161 + ... + 383.

260656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62496).

60656 is an abundant number, since it is smaller than the sum of its proper divisors (64336).

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

60656 is a wasteful number, since it uses less digits than its factorization.

60656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 60656 is about 246.2843884618. The cubic root of 60656 is about 39.2908347517.

Subtracting 60656 from its reverse (65606), we obtain a triangular number (4950 = T99).

The spelling of 60656 in words is "sixty thousand, six hundred fifty-six".