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3828890 = 251329453
BaseRepresentation
bin1110100110110010011010
321012112020202
432212302122
51440011030
6214022202
744354642
oct16466232
97175222
103828890
11218577a
121347962
13a40a20
14719522
15509745
hex3a6c9a

3828890 has 16 divisors (see below), whose sum is σ = 7422408. Its totient is φ = 1413696.

The previous prime is 3828887. The next prime is 3828901. The reversal of 3828890 is 988283.

It can be written as a sum of positive squares in 4 ways, for example, as 2362369 + 1466521 = 1537^2 + 1211^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14597 + ... + 14856.

Almost surely, 23828890 is an apocalyptic number.

3828890 is a deficient number, since it is larger than the sum of its proper divisors (3593518).

3828890 is a wasteful number, since it uses less digits than its factorization.

3828890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29473.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 3828890 is about 1956.7549667753. The cubic root of 3828890 is about 156.4435383091.

The spelling of 3828890 in words is "three million, eight hundred twenty-eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 29453 58906 147265 294530 382889 765778 1914445 3828890