Search a number
-
+
2842074720 = 2532519109953
BaseRepresentation
bin1010100101100110…
…1001111001100000
321100001212100120200
42221121221321200
521310032342340
61150003305200
7130300144062
oct25131517140
97301770520
102842074720
111229305891
1267397b200
13363a6c224
141cd657732
1511979b330
hexa9669e60

2842074720 has 288 divisors, whose sum is σ = 10313503200. Its totient is φ = 710664192.

The previous prime is 2842074713. The next prime is 2842074721. The reversal of 2842074720 is 274702482.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2842074721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2981764 + ... + 2982716.

It is an arithmetic number, because the mean of its divisors is an integer number (35810775).

Almost surely, 22842074720 is an apocalyptic number.

2842074720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2842074720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5156751600).

2842074720 is an abundant number, since it is smaller than the sum of its proper divisors (7471428480).

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

2842074720 is a wasteful number, since it uses less digits than its factorization.

2842074720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1091 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 2842074720 is about 53311.1125376314. The cubic root of 2842074720 is about 1416.4845129274.

The spelling of 2842074720 in words is "two billion, eight hundred forty-two million, seventy-four thousand, seven hundred twenty".