Search a number
-
+
4252980 = 223573971
BaseRepresentation
bin10000001110010100110100
322000001222210
4100032110310
52042043410
6231053420
751102234
oct20162464
98001883
104252980
112445366
121511270
13b5ba74
147c9cc4
15590220
hex40e534

4252980 has 48 divisors (see below), whose sum is σ = 12083904. Its totient is φ = 1117440.

The previous prime is 4252961. The next prime is 4252987. The reversal of 4252980 is 892524.

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 (4252987) 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, 3895 + ... + 4865.

It is an arithmetic number, because the mean of its divisors is an integer number (251748).

Almost surely, 24252980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4252980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6041952).

4252980 is an abundant number, since it is smaller than the sum of its proper divisors (7830924).

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

4252980 is a wasteful number, since it uses less digits than its factorization.

4252980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 4252980 is about 2062.2754423209. The cubic root of 4252980 is about 162.0184402115.

The spelling of 4252980 in words is "four million, two hundred fifty-two thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 73 146 219 292 365 438 730 876 971 1095 1460 1942 2190 2913 3884 4380 4855 5826 9710 11652 14565 19420 29130 58260 70883 141766 212649 283532 354415 425298 708830 850596 1063245 1417660 2126490 4252980