Base | Representation |
---|---|
bin | 1110100010000… |
… | …0010111011100 |
3 | 11020200120122200 |
4 | 3220200113130 |
5 | 111100344410 |
6 | 10014211500 |
7 | 1340031510 |
oct | 350402734 |
9 | 136616580 |
10 | 60949980 |
11 | 3144a693 |
12 | 184b3b90 |
13 | c8204a0 |
14 | 8148140 |
15 | 553e3c0 |
hex | 3a205dc |
60949980 has 216 divisors, whose sum is σ = 231338016. Its totient is φ = 12648960.
The previous prime is 60949969. The next prime is 60950003. The reversal of 60949980 is 8994906.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 999150 + ... + 999210.
Almost surely, 260949980 is an apocalyptic number.
60949980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 60949980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115669008).
60949980 is an abundant number, since it is smaller than the sum of its proper divisors (170388036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
60949980 is a wasteful number, since it uses less digits than its factorization.
60949980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157 (or 91 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 45.
The square root of 60949980 is about 7807.0468168188. The cubic root of 60949980 is about 393.5420912971.
The spelling of 60949980 in words is "sixty million, nine hundred forty-nine thousand, nine hundred eighty".
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