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2089220 = 225714923
BaseRepresentation
bin111111110000100000100
310221010212112
413332010010
51013323340
6112440152
723521010
oct7760404
93833775
102089220
1111a7731
12849058
13581c33
143c5540
152b4065
hex1fe104

2089220 has 24 divisors (see below), whose sum is σ = 5014464. Its totient is φ = 716256.

The previous prime is 2089211. The next prime is 2089223. The reversal of 2089220 is 229802.

It is not an unprimeable number, because it can be changed into a prime (2089223) 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, 7322 + ... + 7601.

It is an arithmetic number, because the mean of its divisors is an integer number (208936).

22089220 is an apocalyptic number.

2089220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2089220 is an abundant number, since it is smaller than the sum of its proper divisors (2925244).

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

2089220 is a wasteful number, since it uses less digits than its factorization.

2089220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14939 (or 14937 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2089220 is about 1445.4134356647. The cubic root of 2089220 is about 127.8384191611.

The spelling of 2089220 in words is "two million, eighty-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 14923 29846 59692 74615 104461 149230 208922 298460 417844 522305 1044610 2089220