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4912681 = 73173389
BaseRepresentation
bin10010101111011000101001
3100020120221011
4102233120221
52224201211
6253143521
756520454
oct22573051
910216834
104912681
112855a74
12178aba1
131030117
1491c49b
15670921
hex4af629

4912681 has 8 divisors (see below), whose sum is σ = 5021640. Its totient is φ = 4804992.

The previous prime is 4912673. The next prime is 4912693. The reversal of 4912681 is 1862194.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1245456 + 3667225 = 1116^2 + 1915^2 .

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 4912681 - 23 = 4912673 is a prime.

It is a super-2 number, since 2×49126812 = 48268869215522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4912781) 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, 12435 + ... + 12823.

It is an arithmetic number, because the mean of its divisors is an integer number (627705).

Almost surely, 24912681 is an apocalyptic number.

It is an amenable number.

4912681 is a deficient number, since it is larger than the sum of its proper divisors (108959).

4912681 is a wasteful number, since it uses less digits than its factorization.

4912681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635.

The product of its digits is 3456, while the sum is 31.

The square root of 4912681 is about 2216.4568572386. The cubic root of 4912681 is about 169.9963205663.

The spelling of 4912681 in words is "four million, nine hundred twelve thousand, six hundred eighty-one".

Divisors: 1 73 173 389 12629 28397 67297 4912681