Search a number
-
+
4350990 = 235720719
BaseRepresentation
bin10000100110010000001110
322012001102210
4100212100032
52103212430
6233131250
751661050
oct20462016
98161383
104350990
112501a66
121559b26
13b94567
148138d0
155ae2b0
hex42640e

4350990 has 32 divisors (see below), whose sum is σ = 11934720. Its totient is φ = 994464.

The previous prime is 4350977. The next prime is 4350991. The reversal of 4350990 is 990534.

It is a super-2 number, since 2×43509902 = 37862227960200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4350991) 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, 10150 + ... + 10569.

It is an arithmetic number, because the mean of its divisors is an integer number (372960).

Almost surely, 24350990 is an apocalyptic number.

4350990 is an abundant number, since it is smaller than the sum of its proper divisors (7583730).

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

4350990 is a wasteful number, since it uses less digits than its factorization.

4350990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20736.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 4350990 is about 2085.9026822937. The cubic root of 4350990 is about 163.2535729780.

The spelling of 4350990 in words is "four million, three hundred fifty thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 20719 41438 62157 103595 124314 145033 207190 290066 310785 435099 621570 725165 870198 1450330 2175495 4350990