Search a number
-
+
2421792 = 25332803
BaseRepresentation
bin1001001111010000100000
311120001002000
421033100200
51104444132
6123524000
726404422
oct11172040
94501060
102421792
11140458a
12989600
1366a419
14470812
1532c87c
hex24f420

2421792 has 48 divisors (see below), whose sum is σ = 7066080. Its totient is φ = 806976.

The previous prime is 2421791. The next prime is 2421817. The reversal of 2421792 is 2971242.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2421791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (147210).

22421792 is an apocalyptic number.

It is an amenable number.

2421792 is an abundant number, since it is smaller than the sum of its proper divisors (4644288).

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

2421792 is a wasteful number, since it uses less digits than its factorization.

2421792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822 (or 2808 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2421792 is about 1556.2107826384. The cubic root of 2421792 is about 134.2905997490.

The spelling of 2421792 in words is "two million, four hundred twenty-one thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 2803 5606 8409 11212 16818 22424 25227 33636 44848 50454 67272 75681 89696 100908 134544 151362 201816 269088 302724 403632 605448 807264 1210896 2421792