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4256984481 = 38391691293
BaseRepresentation
bin1111110110111100…
…0110110110100001
3101222200021012212220
43331233012312201
532204242000411
61542225541253
7210330525321
oct37557066641
911880235786
104256984481
111894a584a2
129a97a4829
1352ac3b239
142c552b281
1519dad8b06
hexfdbc6da1

4256984481 has 8 divisors (see below), whose sum is σ = 5682747840. Its totient is φ = 2834605392.

The previous prime is 4256984437. The next prime is 4256984489. The reversal of 4256984481 is 1844896524.

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

It is not a de Polignac number, because 4256984481 - 213 = 4256976289 is a prime.

It is a super-2 number, since 2×42569844812 = 36243833742949678722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4256984489) 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, 843130 + ... + 848163.

It is an arithmetic number, because the mean of its divisors is an integer number (710343480).

Almost surely, 24256984481 is an apocalyptic number.

It is an amenable number.

4256984481 is a deficient number, since it is larger than the sum of its proper divisors (1425763359).

4256984481 is a wasteful number, since it uses less digits than its factorization.

4256984481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692135.

The product of its digits is 2211840, while the sum is 51.

The square root of 4256984481 is about 65245.5705852895. The cubic root of 4256984481 is about 1620.6927486093.

The spelling of 4256984481 in words is "four billion, two hundred fifty-six million, nine hundred eighty-four thousand, four hundred eighty-one".

Divisors: 1 3 839 2517 1691293 5073879 1418994827 4256984481