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2981060 = 225149053
BaseRepresentation
bin1011010111110011000100
312121110020122
423113303010
51230343220
6143521112
734224065
oct13276304
95543218
102981060
111756795
12bb9198
13804b54
1457856c
153dd425
hex2d7cc4

2981060 has 12 divisors (see below), whose sum is σ = 6260268. Its totient is φ = 1192416.

The previous prime is 2981059. The next prime is 2981063. The reversal of 2981060 is 601892.

It can be written as a sum of positive squares in 2 ways, for example, as 743044 + 2238016 = 862^2 + 1496^2 .

It is not an unprimeable number, because it can be changed into a prime (2981063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74507 + ... + 74546.

It is an arithmetic number, because the mean of its divisors is an integer number (521689).

22981060 is an apocalyptic number.

2981060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2981060 is an abundant number, since it is smaller than the sum of its proper divisors (3279208).

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

2981060 is a wasteful number, since it uses less digits than its factorization.

2981060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149062 (or 149060 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2981060 is about 1726.5746436225. The cubic root of 2981060 is about 143.9208026443.

The spelling of 2981060 in words is "two million, nine hundred eighty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 149053 298106 596212 745265 1490530 2981060