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4681131 = 371321319
BaseRepresentation
bin10001110110110110101011
322210211022020
4101312312223
52144244011
6244155523
754534420
oct21666653
98724266
104681131
112708004
121698ba3
13c7b900
1489bd47
15627006
hex476dab

4681131 has 24 divisors (see below), whose sum is σ = 7729920. Its totient is φ = 2467296.

The previous prime is 4681097. The next prime is 4681147. The reversal of 4681131 is 1311864.

It is not a de Polignac number, because 4681131 - 27 = 4681003 is a prime.

It is a super-2 number, since 2×46811312 = 43825974878322, which contains 22 as substring.

4681131 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4681631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2890 + ... + 4208.

It is an arithmetic number, because the mean of its divisors is an integer number (322080).

Almost surely, 24681131 is an apocalyptic number.

4681131 is a deficient number, since it is larger than the sum of its proper divisors (3048789).

4681131 is a wasteful number, since it uses less digits than its factorization.

4681131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355 (or 1342 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 4681131 is about 2163.5921519547. The cubic root of 4681131 is about 167.2824055038.

Adding to 4681131 its reverse (1311864), we get a palindrome (5992995).

The spelling of 4681131 in words is "four million, six hundred eighty-one thousand, one hundred thirty-one".

Divisors: 1 3 7 13 21 39 91 169 273 507 1183 1319 3549 3957 9233 17147 27699 51441 120029 222911 360087 668733 1560377 4681131