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2381080 = 2351319241
BaseRepresentation
bin1001000101010100011000
311110222020011
421011110120
51102143310
6123011304
726144632
oct11052430
94428204
102381080
111386a39
12969b34
13654a30
1445da52
1532078a
hex245518

2381080 has 64 divisors (see below), whose sum is σ = 6098400. Its totient is φ = 829440.

The previous prime is 2381077. The next prime is 2381081. The reversal of 2381080 is 801832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9760 + ... + 10000.

22381080 is an apocalyptic number.

2381080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2381080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3049200).

2381080 is an abundant number, since it is smaller than the sum of its proper divisors (3717320).

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

2381080 is a wasteful number, since it uses less digits than its factorization.

2381080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2381080 is about 1543.0748523646. The cubic root of 2381080 is about 133.5338372242.

The spelling of 2381080 in words is "two million, three hundred eighty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 13 19 20 26 38 40 52 65 76 95 104 130 152 190 241 247 260 380 482 494 520 760 964 988 1205 1235 1928 1976 2410 2470 3133 4579 4820 4940 6266 9158 9640 9880 12532 15665 18316 22895 25064 31330 36632 45790 59527 62660 91580 119054 125320 183160 238108 297635 476216 595270 1190540 2381080