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3972486679 = 717411974133
BaseRepresentation
bin1110110011000111…
…0101011000010111
3101020211221020021021
43230301311120113
531113424033204
61454104102011
7200304402550
oct35461653027
911224836237
103972486679
111759402047
1292a464907
134b400a545
14299831327
15183b3d154
hexecc75617

3972486679 has 32 divisors (see below), whose sum is σ = 4950481536. Its totient is φ = 3109908480.

The previous prime is 3972486647. The next prime is 3972486743. The reversal of 3972486679 is 9766842793.

3972486679 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3972486679 - 25 = 3972486647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972486179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 959097 + ... + 963229.

It is an arithmetic number, because the mean of its divisors is an integer number (154702548).

Almost surely, 23972486679 is an apocalyptic number.

3972486679 is a deficient number, since it is larger than the sum of its proper divisors (977994857).

3972486679 is a wasteful number, since it uses less digits than its factorization.

3972486679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395.

The product of its digits is 27433728, while the sum is 61.

The square root of 3972486679 is about 63027.6659809008. The cubic root of 3972486679 is about 1583.7531190189.

The spelling of 3972486679 in words is "three billion, nine hundred seventy-two million, four hundred eighty-six thousand, six hundred seventy-nine".

Divisors: 1 7 17 41 119 197 287 697 1379 3349 4133 4879 8077 23443 28931 56539 70261 137309 169453 491827 814201 961163 1186171 2880701 5699407 13841417 20164907 33382241 96889919 233675687 567498097 3972486679