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4980081 = 37921013
BaseRepresentation
bin10010111111110101110001
3100101000101110
4102333311301
52233330311
6254423533
760221121
oct22776561
910330343
104980081
1128a1677
121801ba9
1310549c2
14938c81
156858a6
hex4bfd71

4980081 has 8 divisors (see below), whose sum is σ = 6724480. Its totient is φ = 3277872.

The previous prime is 4980067. The next prime is 4980097. The reversal of 4980081 is 1800894.

It is a happy number.

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

It is not a de Polignac number, because 4980081 - 210 = 4979057 is a prime.

It is a super-2 number, since 2×49800812 = 49602413533122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4980281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10270 + ... + 10743.

It is an arithmetic number, because the mean of its divisors is an integer number (840560).

Almost surely, 24980081 is an apocalyptic number.

It is an amenable number.

4980081 is a deficient number, since it is larger than the sum of its proper divisors (1744399).

4980081 is a wasteful number, since it uses less digits than its factorization.

4980081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21095.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 4980081 is about 2231.6095088523. The cubic root of 4980081 is about 170.7702190543.

The spelling of 4980081 in words is "four million, nine hundred eighty thousand, eighty-one".

Divisors: 1 3 79 237 21013 63039 1660027 4980081