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3886386 = 237213219
BaseRepresentation
bin1110110100110100110010
321022110010020
432310310302
51443331021
6215144310
745014400
oct16646462
97273106
103886386
112214999
121375096
13a60c4a
14732470
1551b7c6
hex3b4d32

3886386 has 24 divisors (see below), whose sum is σ = 9042480. Its totient is φ = 1110312.

The previous prime is 3886361. The next prime is 3886391. The reversal of 3886386 is 6836883.

It is a super-2 number, since 2×38863862 = 30207992281992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6316 + ... + 6903.

It is an arithmetic number, because the mean of its divisors is an integer number (376770).

Almost surely, 23886386 is an apocalyptic number.

3886386 is an abundant number, since it is smaller than the sum of its proper divisors (5156094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3886386 is a wasteful number, since it uses less digits than its factorization.

3886386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13238 (or 13231 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 3886386 is about 1971.3918940688. The cubic root of 3886386 is about 157.2227220165. Note that the first 3 decimals are identical.

The spelling of 3886386 in words is "three million, eight hundred eighty-six thousand, three hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 13219 26438 39657 79314 92533 185066 277599 555198 647731 1295462 1943193 3886386