Search a number
-
+
4290730 = 252771549
BaseRepresentation
bin10000010111100010101010
322001222202221
4100113202222
52044300410
6231544254
751320263
oct20274252
98058687
104290730
112470764
12152b08a
13b72cc2
147d996a
1559b4da
hex4178aa

4290730 has 16 divisors (see below), whose sum is σ = 7756200. Its totient is φ = 1708992.

The previous prime is 4290701. The next prime is 4290757. The reversal of 4290730 is 370924.

It can be written as a sum of positive squares in 4 ways, for example, as 2405601 + 1885129 = 1551^2 + 1373^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4290695 and 4290704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1996 + ... + 3544.

Almost surely, 24290730 is an apocalyptic number.

4290730 is a deficient number, since it is larger than the sum of its proper divisors (3465470).

4290730 is a wasteful number, since it uses less digits than its factorization.

4290730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 4290730 is about 2071.4077338853. The cubic root of 4290730 is about 162.4963943973.

It can be divided in two parts, 42907 and 30, that multiplied together give a triangular number (1287210 = T1604).

The spelling of 4290730 in words is "four million, two hundred ninety thousand, seven hundred thirty".

Divisors: 1 2 5 10 277 554 1385 1549 2770 3098 7745 15490 429073 858146 2145365 4290730