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3870223 = 7599371
BaseRepresentation
bin1110110000111000001111
321021121221121
432300320033
51442321343
6214541411
744616310
oct16607017
97247847
103870223
112203835
121367867
13a56796
1472a607
15516aed
hex3b0e0f

3870223 has 8 divisors (see below), whose sum is σ = 4498560. Its totient is φ = 3260760.

The previous prime is 3870211. The next prime is 3870227. The reversal of 3870223 is 3220783.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3870223 - 221 = 1773071 is a prime.

It is a d-powerful number, because it can be written as 310 + 87 + 76 + 0 + 2 + 211 + 313 .

It is a Duffinian number.

3870223 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4273 + ... + 5098.

It is an arithmetic number, because the mean of its divisors is an integer number (562320).

Almost surely, 23870223 is an apocalyptic number.

3870223 is a deficient number, since it is larger than the sum of its proper divisors (628337).

3870223 is an equidigital number, since it uses as much as digits as its factorization.

3870223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 3870223 is about 1967.2882351094. The cubic root of 3870223 is about 157.0044625288.

The spelling of 3870223 in words is "three million, eight hundred seventy thousand, two hundred twenty-three".

Divisors: 1 7 59 413 9371 65597 552889 3870223