[go: up one dir, main page]

Search a number
-
+
2873080 = 235731331
BaseRepresentation
bin1010111101011011111000
312101222010101
422331123320
51213414310
6141325144
733264220
oct12753370
95358111
102873080
111692651
12b667b4
13797962
1454b080
153bb43a
hex2bd6f8

2873080 has 64 divisors (see below), whose sum is σ = 7649280. Its totient is φ = 950400.

The previous prime is 2873069. The next prime is 2873081. The reversal of 2873080 is 803782.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2873081) 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, 8515 + ... + 8845.

It is an arithmetic number, because the mean of its divisors is an integer number (119520).

22873080 is an apocalyptic number.

2873080 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 2873080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3824640).

2873080 is an abundant number, since it is smaller than the sum of its proper divisors (4776200).

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

2873080 is a wasteful number, since it uses less digits than its factorization.

2873080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2873080 is about 1695.0162241111. The cubic root of 2873080 is about 142.1616884677.

The spelling of 2873080 in words is "two million, eight hundred seventy-three thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 31 35 40 56 62 70 124 140 155 217 248 280 310 331 434 620 662 868 1085 1240 1324 1655 1736 2170 2317 2648 3310 4340 4634 6620 8680 9268 10261 11585 13240 18536 20522 23170 41044 46340 51305 71827 82088 92680 102610 143654 205220 287308 359135 410440 574616 718270 1436540 2873080