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2750980 = 225263523
BaseRepresentation
bin1010011111101000000100
312011202122011
422133220010
51201012410
6134544004
732245231
oct12375004
95152564
102750980
111609941
12b08004
137541cb
14518788
1539518a
hex29fa04

2750980 has 24 divisors (see below), whose sum is σ = 5810112. Its totient is φ = 1094112.

The previous prime is 2750963. The next prime is 2750981. The reversal of 2750980 is 890572.

It is not an unprimeable number, because it can be changed into a prime (2750981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4999 + ... + 5521.

It is an arithmetic number, because the mean of its divisors is an integer number (242088).

22750980 is an apocalyptic number.

2750980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2750980 is an abundant number, since it is smaller than the sum of its proper divisors (3059132).

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

2750980 is a wasteful number, since it uses less digits than its factorization.

2750980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 2750980 is about 1658.6078499754. The cubic root of 2750980 is about 140.1186069717.

The spelling of 2750980 in words is "two million, seven hundred fifty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 263 523 526 1046 1052 1315 2092 2615 2630 5230 5260 10460 137549 275098 550196 687745 1375490 2750980