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3731013 = 3211132223
BaseRepresentation
bin1110001110111001000101
321000112222200
432032321011
51423343023
6211545113
743466406
oct16167105
97015880
103731013
112119190
1212bb199
13a08300
146d19ad
154da743
hex38ee45

3731013 has 36 divisors (see below), whose sum is σ = 6394752. Its totient is φ = 2077920.

The previous prime is 3731009. The next prime is 3731017. The reversal of 3731013 is 3101373.

It is an interprime number because it is at equal distance from previous prime (3731009) and next prime (3731017).

It is not a de Polignac number, because 3731013 - 22 = 3731009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3731017) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16620 + ... + 16842.

It is an arithmetic number, because the mean of its divisors is an integer number (177632).

Almost surely, 23731013 is an apocalyptic number.

3731013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3731013 is a deficient number, since it is larger than the sum of its proper divisors (2663739).

3731013 is a wasteful number, since it uses less digits than its factorization.

3731013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 3731013 is about 1931.5830295382. The cubic root of 3731013 is about 155.0989725161.

Adding to 3731013 its reverse (3101373), we get a palindrome (6832386).

The spelling of 3731013 in words is "three million, seven hundred thirty-one thousand, thirteen".

Divisors: 1 3 9 11 13 33 39 99 117 143 169 223 429 507 669 1287 1521 1859 2007 2453 2899 5577 7359 8697 16731 22077 26091 31889 37687 95667 113061 287001 339183 414557 1243671 3731013