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2275980 = 223575419
BaseRepresentation
bin1000101011101010001100
311021122001120
420223222030
51040312410
6120440540
725226340
oct10535214
94248046
102275980
111314a83
12919150
13618c45
14433620
152ee570
hex22ba8c

2275980 has 48 divisors (see below), whose sum is σ = 7284480. Its totient is φ = 520128.

The previous prime is 2275961. The next prime is 2275993. The reversal of 2275980 is 895722.

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, 2290 + ... + 3129.

It is an arithmetic number, because the mean of its divisors is an integer number (151760).

22275980 is an apocalyptic number.

2275980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2275980 is an abundant number, since it is smaller than the sum of its proper divisors (5008500).

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

2275980 is a wasteful number, since it uses less digits than its factorization.

2275980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438 (or 5436 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2275980 is about 1508.6351447583. The cubic root of 2275980 is about 131.5394880133.

The spelling of 2275980 in words is "two million, two hundred seventy-five 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 5419 10838 16257 21676 27095 32514 37933 54190 65028 75866 81285 108380 113799 151732 162570 189665 227598 325140 379330 455196 568995 758660 1137990 2275980