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3818313 = 331031373
BaseRepresentation
bin1110100100001101001001
321011222202000
432210031021
51434141223
6213501213
744312052
oct16441511
97158660
103818313
112178834
121341809
13a38c75
14715729
15506543
hex3a4349

3818313 has 16 divisors (see below), whose sum is σ = 5715840. Its totient is φ = 2518992.

The previous prime is 3818293. The next prime is 3818317. The reversal of 3818313 is 3138183.

It is not a de Polignac number, because 3818313 - 217 = 3687241 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3818317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2095 + ... + 3467.

It is an arithmetic number, because the mean of its divisors is an integer number (357240).

Almost surely, 23818313 is an apocalyptic number.

It is an amenable number.

3818313 is a deficient number, since it is larger than the sum of its proper divisors (1897527).

3818313 is a wasteful number, since it uses less digits than its factorization.

3818313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1479 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 3818313 is about 1954.0504087664. The cubic root of 3818313 is about 156.2993512375.

The spelling of 3818313 in words is "three million, eight hundred eighteen thousand, three hundred thirteen".

Divisors: 1 3 9 27 103 309 927 1373 2781 4119 12357 37071 141419 424257 1272771 3818313