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3020980 = 225151049
BaseRepresentation
bin1011100001100010110100
312200111000011
423201202310
51233132410
6144430004
734451344
oct13414264
95614004
103020980
111783786
121018304
1381a081
14588d24
153ea18a
hex2e18b4

3020980 has 12 divisors (see below), whose sum is σ = 6344100. Its totient is φ = 1208384.

The previous prime is 3020971. The next prime is 3020989. The reversal of 3020980 is 890203.

It is an interprime number because it is at equal distance from previous prime (3020971) and next prime (3020989).

It can be written as a sum of positive squares in 2 ways, for example, as 1493284 + 1527696 = 1222^2 + 1236^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020989) 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, 75505 + ... + 75544.

It is an arithmetic number, because the mean of its divisors is an integer number (528675).

Almost surely, 23020980 is an apocalyptic number.

It is an amenable number.

3020980 is an abundant number, since it is smaller than the sum of its proper divisors (3323120).

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

3020980 is a wasteful number, since it uses less digits than its factorization.

3020980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151058 (or 151056 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 3020980 is about 1738.0966601429. The cubic root of 3020980 is about 144.5603807316.

The spelling of 3020980 in words is "three million, twenty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 151049 302098 604196 755245 1510490 3020980