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60978 = 2310163
BaseRepresentation
bin1110111000110010
310002122110
432320302
53422403
61150150
7342531
oct167062
9102573
1060978
11418a5
122b356
13219a8
1418318
1513103
hexee32

60978 has 8 divisors (see below), whose sum is σ = 121968. Its totient is φ = 20324.

The previous prime is 60961. The next prime is 61001. The reversal of 60978 is 87906.

It is a happy number.

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

60978 is an admirable number.

It is a nialpdrome in base 16.

It is an unprimeable number.

60978 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, 5076 + ... + 5087.

It is an arithmetic number, because the mean of its divisors is an integer number (15246).

260978 is an apocalyptic number.

60978 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 (60984).

60978 is a wasteful number, since it uses less digits than its factorization.

60978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10168.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 60978 is about 246.9372389900. The cubic root of 60978 is about 39.3602388610.

It can be divided in two parts, 6097 and 8, that added together give a triangular number (6105 = T110).

The spelling of 60978 in words is "sixty thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 10163 20326 30489 60978