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3820930 = 251372789
BaseRepresentation
bin1110100100110110000010
321012010022221
432210312002
51434232210
6213521254
744322511
oct16446602
97163287
103820930
11217a7a3
12134322a
13a3a209
14716678
155071da
hex3a4d82

3820930 has 16 divisors (see below), whose sum is σ = 6930360. Its totient is φ = 1516672.

The previous prime is 3820891. The next prime is 3820933. The reversal of 3820930 is 390283.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3359889 + 461041 = 1833^2 + 679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3820895 and 3820904.

It is not an unprimeable number, because it can be changed into a prime (3820933) 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, 25 + ... + 2764.

Almost surely, 23820930 is an apocalyptic number.

3820930 is a deficient number, since it is larger than the sum of its proper divisors (3109430).

3820930 is a wasteful number, since it uses less digits than its factorization.

3820930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3820930 is about 1954.7199287878. The cubic root of 3820930 is about 156.3350512958.

The spelling of 3820930 in words is "three million, eight hundred twenty thousand, nine hundred thirty".

Divisors: 1 2 5 10 137 274 685 1370 2789 5578 13945 27890 382093 764186 1910465 3820930