Search a number
-
+
4689090 = 23457827
BaseRepresentation
bin10001111000110011000010
322211020020000
4101320303002
52200022330
6244300430
754566550
oct21706302
98736200
104689090
112712a8a
1216a1716
13c82413
148a0bd0
15629560
hex478cc2

4689090 has 80 divisors (see below), whose sum is σ = 14427072. Its totient is φ = 1070496.

The previous prime is 4689089. The next prime is 4689109. The reversal of 4689090 is 909864.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5257 + ... + 6083.

Almost surely, 24689090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4689090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7213536).

4689090 is an abundant number, since it is smaller than the sum of its proper divisors (9737982).

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

4689090 is a wasteful number, since it uses less digits than its factorization.

4689090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 4689090 is about 2165.4306730995. The cubic root of 4689090 is about 167.3771580195.

The spelling of 4689090 in words is "four million, six hundred eighty-nine thousand, ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 189 210 270 315 378 405 567 630 810 827 945 1134 1654 1890 2481 2835 4135 4962 5670 5789 7443 8270 11578 12405 14886 17367 22329 24810 28945 34734 37215 44658 52101 57890 66987 74430 86835 104202 111645 133974 156303 173670 223290 260505 312606 334935 468909 521010 669870 781515 937818 1563030 2344545 4689090