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3820070 = 251723977
BaseRepresentation
bin1110100100101000100110
321012002011002
432210220212
51434220240
6213513302
744320142
oct16445046
97162132
103820070
11217a091
121342832
13a399c7
14716222
15506d15
hex3a4a26

3820070 has 32 divisors (see below), whose sum is σ = 7604928. Its totient is φ = 1374208.

The previous prime is 3820067. The next prime is 3820097. The reversal of 3820070 is 700283.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3422 + ... + 4398.

It is an arithmetic number, because the mean of its divisors is an integer number (237654).

Almost surely, 23820070 is an apocalyptic number.

It is a pronic number, being equal to 1954×1955.

3820070 is a deficient number, since it is larger than the sum of its proper divisors (3784858).

3820070 is a wasteful number, since it uses less digits than its factorization.

3820070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 3820070 is about 1954.4999360450. The cubic root of 3820070 is about 156.3233213214.

The spelling of 3820070 in words is "three million, eight hundred twenty thousand, seventy".

Divisors: 1 2 5 10 17 23 34 46 85 115 170 230 391 782 977 1954 1955 3910 4885 9770 16609 22471 33218 44942 83045 112355 166090 224710 382007 764014 1910035 3820070