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2989046280 = 2335112264429
BaseRepresentation
bin1011001000101001…
…0011101000001000
321201022102021122210
42302022103220020
522110143440110
61212333345120
7134033321433
oct26212235010
97638367583
102989046280
1112a4269790
126b50381a0
1338834a84c
14204d9481a
1512762d520
hexb2293a08

2989046280 has 64 divisors (see below), whose sum is σ = 9782337600. Its totient is φ = 724616960.

The previous prime is 2989046279. The next prime is 2989046309. The reversal of 2989046280 is 826409892.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1130895 + ... + 1133534.

It is an arithmetic number, because the mean of its divisors is an integer number (152849025).

Almost surely, 22989046280 is an apocalyptic number.

2989046280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2989046280 is an abundant number, since it is smaller than the sum of its proper divisors (6793291320).

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

2989046280 is a wasteful number, since it uses less digits than its factorization.

2989046280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264454 (or 2264450 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 2989046280 is about 54672.1709830513. The cubic root of 2989046280 is about 1440.4920964754.

The spelling of 2989046280 in words is "two billion, nine hundred eighty-nine million, forty-six thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 2264429 4528858 6793287 9057716 11322145 13586574 18115432 22644290 24908719 27173148 33966435 45288580 49817438 54346296 67932870 74726157 90577160 99634876 124543595 135865740 149452314 199269752 249087190 271731480 298904628 373630785 498174380 597809256 747261570 996348760 1494523140 2989046280