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3868371 = 3313103107
BaseRepresentation
bin1110110000011011010011
321021112102000
432300123103
51442241441
6214525043
744611023
oct16603323
97245360
103868371
112202401
121366783
13a559a0
14729a83
155162b6
hex3b06d3

3868371 has 32 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 2335392.

The previous prime is 3868357. The next prime is 3868399. The reversal of 3868371 is 1738683.

3868371 is a nontrivial binomial coefficient, being equal to C(2782, 2).

It is not a de Polignac number, because 3868371 - 27 = 3868243 is a prime.

3868371 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3868321) 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, 36100 + ... + 36206.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

Almost surely, 23868371 is an apocalyptic number.

3868371 is the 2781-st triangular number and also the 1391-st hexagonal number.

3868371 is a deficient number, since it is larger than the sum of its proper divisors (2421549).

3868371 is a wasteful number, since it uses less digits than its factorization.

3868371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 226 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3868371 is about 1966.8174800932. The cubic root of 3868371 is about 156.9794149922.

The spelling of 3868371 in words is "three million, eight hundred sixty-eight thousand, three hundred seventy-one".

Divisors: 1 3 9 13 27 39 103 107 117 309 321 351 927 963 1339 1391 2781 2889 4017 4173 11021 12051 12519 33063 36153 37557 99189 143273 297567 429819 1289457 3868371