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3801830 = 25478089
BaseRepresentation
bin1110100000001011100110
321011011010112
432200023212
51433124310
6213253022
744213024
oct16401346
97134115
103801830
11216740a
121334172
13a31606
1470d714
15501705
hex3a02e6

3801830 has 16 divisors (see below), whose sum is σ = 6989760. Its totient is φ = 1488192.

The previous prime is 3801827. The next prime is 3801839. The reversal of 3801830 is 381083.

It is a super-2 number, since 2×38018302 = 28907822697800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3801796 and 3801805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801839) 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, 3575 + ... + 4514.

It is an arithmetic number, because the mean of its divisors is an integer number (436860).

Almost surely, 23801830 is an apocalyptic number.

3801830 is a deficient number, since it is larger than the sum of its proper divisors (3187930).

3801830 is a wasteful number, since it uses less digits than its factorization.

3801830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 3801830 is about 1949.8281975600. The cubic root of 3801830 is about 156.0741210338.

The spelling of 3801830 in words is "three million, eight hundred one thousand, eight hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 8089 16178 40445 80890 380183 760366 1900915 3801830