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2030840 = 23577253
BaseRepresentation
bin111101111110011111000
310211011210022
413233303320
51004441330
6111310012
723155550
oct7576370
93734708
102030840
111167889
1281b308
135614a6
143ac160
152a1ae5
hex1efcf8

2030840 has 32 divisors (see below), whose sum is σ = 5222880. Its totient is φ = 696192.

The previous prime is 2030789. The next prime is 2030879. The reversal of 2030840 is 480302.

It is a super-2 number, since 2×20308402 = 8248622211200, which contains 22 as substring.

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3347 + ... + 3906.

It is an arithmetic number, because the mean of its divisors is an integer number (163215).

22030840 is an apocalyptic number.

2030840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030840 is an abundant number, since it is smaller than the sum of its proper divisors (3192040).

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

2030840 is a wasteful number, since it uses less digits than its factorization.

2030840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271 (or 7267 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2030840 is about 1425.0754365998. The cubic root of 2030840 is about 126.6364039738.

The spelling of 2030840 in words is "two million, thirty thousand, eight hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 7253 14506 29012 36265 50771 58024 72530 101542 145060 203084 253855 290120 406168 507710 1015420 2030840