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2317980 = 223575519
BaseRepresentation
bin1000110101111010011100
311100202200010
420311322130
51043133410
6121403220
725462650
oct10657234
94322603
102317980
111343595
12939510
136320b2
14444a60
1530bc20
hex235e9c

2317980 has 48 divisors (see below), whose sum is σ = 7418880. Its totient is φ = 529728.

The previous prime is 2317979. The next prime is 2318003. The reversal of 2317980 is 897132.

It is a happy number.

2317980 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

2317980 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2340 + ... + 3179.

It is an arithmetic number, because the mean of its divisors is an integer number (154560).

22317980 is an apocalyptic number.

2317980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2317980 is an abundant number, since it is smaller than the sum of its proper divisors (5100900).

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

2317980 is a wasteful number, since it uses less digits than its factorization.

2317980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538 (or 5536 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2317980 is about 1522.4913792859. The cubic root of 2317980 is about 132.3436865570.

The spelling of 2317980 in words is "two million, three hundred seventeen thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 5519 11038 16557 22076 27595 33114 38633 55190 66228 77266 82785 110380 115899 154532 165570 193165 231798 331140 386330 463596 579495 772660 1158990 2317980