Search a number
-
+
2841920540 = 225294899863
BaseRepresentation
bin1010100101100100…
…0100010000011100
321100001120112002022
42221121010100130
521310012424130
61150000115312
7130265632424
oct25131042034
97301515068
102841920540
11122920aa68
12673905b38
13363a16cb4
141cd617484
1511976a7e5
hexa964441c

2841920540 has 24 divisors (see below), whose sum is σ = 6173828640. Its totient is φ = 1097569088.

The previous prime is 2841920539. The next prime is 2841920551. The reversal of 2841920540 is 450291482.

It is a self number, because there is not a number n which added to its sum of digits gives 2841920540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2449352 + ... + 2450511.

It is an arithmetic number, because the mean of its divisors is an integer number (257242860).

Almost surely, 22841920540 is an apocalyptic number.

2841920540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2841920540 is an abundant number, since it is smaller than the sum of its proper divisors (3331908100).

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

2841920540 is a wasteful number, since it uses less digits than its factorization.

2841920540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899901 (or 4899899 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2841920540 is about 53309.6664780413. Note that the first 3 decimals coincide. The cubic root of 2841920540 is about 1416.4588981268.

The spelling of 2841920540 in words is "two billion, eight hundred forty-one million, nine hundred twenty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 4899863 9799726 19599452 24499315 48998630 97997260 142096027 284192054 568384108 710480135 1420960270 2841920540