Search a number
-
+
3216930 = 235157683
BaseRepresentation
bin1100010001011000100010
320001102210120
430101120202
51310420210
6152541110
736225543
oct14213042
96042716
103216930
1118a7a22
1210b1796
13888312
145da4ca
15438270
hex311622

3216930 has 32 divisors (see below), whose sum is σ = 7781184. Its totient is φ = 851136.

The previous prime is 3216911. The next prime is 3216931. The reversal of 3216930 is 396123.

It is a self number, because there is not a number n which added to its sum of digits gives 3216930.

It is not an unprimeable number, because it can be changed into a prime (3216931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4369 + ... + 5051.

It is an arithmetic number, because the mean of its divisors is an integer number (243162).

Almost surely, 23216930 is an apocalyptic number.

3216930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3216930 is an abundant number, since it is smaller than the sum of its proper divisors (4564254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3216930 is a wasteful number, since it uses less digits than its factorization.

3216930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 3216930 is about 1793.5802184458. The cubic root of 3216930 is about 147.6206807047.

The spelling of 3216930 in words is "three million, two hundred sixteen thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 157 314 471 683 785 942 1366 1570 2049 2355 3415 4098 4710 6830 10245 20490 107231 214462 321693 536155 643386 1072310 1608465 3216930