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2894108980 = 225743480749
BaseRepresentation
bin1010110010000000…
…1001100100110100
321110200202222011111
42230200021210310
521411342441410
61155102444404
7131501343340
oct25440114464
97420688144
102894108980
111255715a04
12689293704
1337178a529
141d6520620
1511e128b8a
hexac809934

2894108980 has 48 divisors (see below), whose sum is σ = 7107408000. Its totient is φ = 969187968.

The previous prime is 2894108963. The next prime is 2894108981. The reversal of 2894108980 is 898014982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2894108981) 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, 234355 + ... + 246394.

It is an arithmetic number, because the mean of its divisors is an integer number (148071000).

Almost surely, 22894108980 is an apocalyptic number.

2894108980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2894108980 is an abundant number, since it is smaller than the sum of its proper divisors (4213299020).

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

2894108980 is a wasteful number, since it uses less digits than its factorization.

2894108980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480808 (or 480806 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 2894108980 is about 53796.9235179857. The cubic root of 2894108980 is about 1425.0768777648.

The spelling of 2894108980 in words is "two billion, eight hundred ninety-four million, one hundred eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 43 70 86 140 172 215 301 430 602 860 1204 1505 3010 6020 480749 961498 1922996 2403745 3365243 4807490 6730486 9614980 13460972 16826215 20672207 33652430 41344414 67304860 82688828 103361035 144705449 206722070 289410898 413444140 578821796 723527245 1447054490 2894108980