Search a number
-
+
2974025480 = 235671816131
BaseRepresentation
bin1011000101000100…
…0000011100001000
321200021011010222212
42301101000130020
522042322303410
61211035404252
7133461541136
oct26121003410
97607133885
102974025480
11129683a3a8
126abbb3688
133851bb8ba
14202da4756
15126162b05
hexb1440708

2974025480 has 64 divisors (see below), whose sum is σ = 6830066880. Its totient is φ = 1165190400.

The previous prime is 2974025459. The next prime is 2974025489. The reversal of 2974025480 is 845204792.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2974025489) 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, 482015 + ... + 488145.

It is an arithmetic number, because the mean of its divisors is an integer number (106719795).

Almost surely, 22974025480 is an apocalyptic number.

2974025480 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 2974025480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3415033440).

2974025480 is an abundant number, since it is smaller than the sum of its proper divisors (3856041400).

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

2974025480 is a wasteful number, since it uses less digits than its factorization.

2974025480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390 (or 6386 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 2974025480 is about 54534.6264312868. The cubic root of 2974025480 is about 1438.0750836264.

The spelling of 2974025480 in words is "two billion, nine hundred seventy-four million, twenty-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 67 134 181 268 335 362 536 670 724 905 1340 1448 1810 2680 3620 6131 7240 12127 12262 24254 24524 30655 48508 49048 60635 61310 97016 121270 122620 242540 245240 410777 485080 821554 1109711 1643108 2053885 2219422 3286216 4107770 4438844 5548555 8215540 8877688 11097110 16431080 22194220 44388440 74350637 148701274 297402548 371753185 594805096 743506370 1487012740 2974025480