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4861281 = 38092003
BaseRepresentation
bin10010100010110101100001
3100010222102110
4102202311201
52221030111
6252105533
756214555
oct22426541
910128373
104861281
112820397
1217652a9
1310128c9
14907865
156605a6
hex4a2d61

4861281 has 8 divisors (see below), whose sum is σ = 6492960. Its totient is φ = 3235232.

The previous prime is 4861277. The next prime is 4861301. The reversal of 4861281 is 1821684.

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

It is a cyclic number.

It is not a de Polignac number, because 4861281 - 22 = 4861277 is a prime.

It is a super-2 number, since 2×48612812 = 47264105921922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4861261) 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, 1426 + ... + 3428.

It is an arithmetic number, because the mean of its divisors is an integer number (811620).

Almost surely, 24861281 is an apocalyptic number.

It is an amenable number.

4861281 is a deficient number, since it is larger than the sum of its proper divisors (1631679).

4861281 is a wasteful number, since it uses less digits than its factorization.

4861281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815.

The product of its digits is 3072, while the sum is 30.

The square root of 4861281 is about 2204.8312860625. The cubic root of 4861281 is about 169.4013662017.

The spelling of 4861281 in words is "four million, eight hundred sixty-one thousand, two hundred eighty-one".

Divisors: 1 3 809 2003 2427 6009 1620427 4861281