Search a number
-
+
672141716 = 221712977621
BaseRepresentation
bin101000000100000…
…001000110010100
31201211202100002122
4220010001012110
52334032013331
6150410155112
722441052561
oct5004010624
91654670078
10672141716
11315452024
12169122a98
13a93371bc
14653a5868
153e01d17b
hex28101194

672141716 has 24 divisors (see below), whose sum is σ = 1246562856. Its totient is φ = 316016640.

The previous prime is 672141709. The next prime is 672141749. The reversal of 672141716 is 617141276.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 547372816 + 124768900 = 23396^2 + 11170^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84386 + ... + 92006.

It is an arithmetic number, because the mean of its divisors is an integer number (51940119).

Almost surely, 2672141716 is an apocalyptic number.

It is an amenable number.

672141716 is a deficient number, since it is larger than the sum of its proper divisors (574421140).

672141716 is a wasteful number, since it uses less digits than its factorization.

672141716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8939 (or 8937 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 672141716 is about 25925.6960562296. The cubic root of 672141716 is about 875.9653958655.

The spelling of 672141716 in words is "six hundred seventy-two million, one hundred forty-one thousand, seven hundred sixteen".

Divisors: 1 2 4 17 34 68 1297 2594 5188 7621 15242 22049 30484 44098 88196 129557 259114 518228 9884437 19768874 39537748 168035429 336070858 672141716