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3820730 = 25382073
BaseRepresentation
bin1110100100110010111010
321012010001112
432210302322
51434230410
6213520322
744322104
oct16446272
97163045
103820730
11217a631
1213430a2
13a3a0b4
14716574
15507105
hex3a4cba

3820730 has 8 divisors (see below), whose sum is σ = 6877332. Its totient is φ = 1528288.

The previous prime is 3820727. The next prime is 3820759. The reversal of 3820730 is 370283.

It can be written as a sum of positive squares in 2 ways, for example, as 3759721 + 61009 = 1939^2 + 247^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3820696 and 3820705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191027 + ... + 191046.

Almost surely, 23820730 is an apocalyptic number.

3820730 is a deficient number, since it is larger than the sum of its proper divisors (3056602).

3820730 is a wasteful number, since it uses less digits than its factorization.

3820730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382080.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 3820730 is about 1954.6687698943. The cubic root of 3820730 is about 156.3323235518.

The spelling of 3820730 in words is "three million, eight hundred twenty thousand, seven hundred thirty".

Divisors: 1 2 5 10 382073 764146 1910365 3820730