Search a number
-
+
2277080 = 2351329151
BaseRepresentation
bin1000101011111011011000
311021200120022
420223323120
51040331310
6120450012
725232501
oct10537330
94250508
102277080
111315893
12919908
136195b0
14433ba8
152eea55
hex22bed8

2277080 has 64 divisors (see below), whose sum is σ = 5745600. Its totient is φ = 806400.

The previous prime is 2277071. The next prime is 2277083. The reversal of 2277080 is 807722.

It is a Cunningham number, because it is equal to 15092-1.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2277083) 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, 15005 + ... + 15155.

It is an arithmetic number, because the mean of its divisors is an integer number (89775).

22277080 is an apocalyptic number.

2277080 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 2277080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2872800).

2277080 is an abundant number, since it is smaller than the sum of its proper divisors (3468520).

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

2277080 is a wasteful number, since it uses less digits than its factorization.

2277080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 2277080 is about 1508.9996686547. Note that the first 3 decimals coincide. The cubic root of 2277080 is about 131.5606759752.

The spelling of 2277080 in words is "two million, two hundred seventy-seven thousand, eighty".

Divisors: 1 2 4 5 8 10 13 20 26 29 40 52 58 65 104 116 130 145 151 232 260 290 302 377 520 580 604 754 755 1160 1208 1508 1510 1885 1963 3016 3020 3770 3926 4379 6040 7540 7852 8758 9815 15080 15704 17516 19630 21895 35032 39260 43790 56927 78520 87580 113854 175160 227708 284635 455416 569270 1138540 2277080