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3828213 = 3217131191
BaseRepresentation
bin1110100110100111110101
321012111022200
432212213311
51440000323
6214015113
744352654
oct16464765
97174280
103828213
112185214
121347499
13a4061c
1471919b
15509443
hex3a69f5

3828213 has 24 divisors (see below), whose sum is σ = 5930496. Its totient is φ = 2371200.

The previous prime is 3828169. The next prime is 3828217. The reversal of 3828213 is 3128283.

It is not a de Polignac number, because 3828213 - 29 = 3827701 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3828217) 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, 19948 + ... + 20138.

It is an arithmetic number, because the mean of its divisors is an integer number (247104).

Almost surely, 23828213 is an apocalyptic number.

It is an amenable number.

3828213 is a deficient number, since it is larger than the sum of its proper divisors (2102283).

3828213 is a wasteful number, since it uses less digits than its factorization.

3828213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 342 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 3828213 is about 1956.5819686382. The cubic root of 3828213 is about 156.4343173148.

The spelling of 3828213 in words is "three million, eight hundred twenty-eight thousand, two hundred thirteen".

Divisors: 1 3 9 17 51 131 153 191 393 573 1179 1719 2227 3247 6681 9741 20043 25021 29223 75063 225189 425357 1276071 3828213