Search a number
-
+
2798190 = 232531091
BaseRepresentation
bin1010101011001001101110
312021011101200
422223021232
51204020230
6135550330
732532663
oct12531156
95234350
102798190
11164135a
12b2b3a6
1376c845
1452ba6a
153a4160
hex2ab26e

2798190 has 24 divisors (see below), whose sum is σ = 7275528. Its totient is φ = 746160.

The previous prime is 2798177. The next prime is 2798207. The reversal of 2798190 is 918972.

It is a happy number.

It is a super-2 number, since 2×27981902 = 15659734552200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15456 + ... + 15635.

It is an arithmetic number, because the mean of its divisors is an integer number (303147).

22798190 is an apocalyptic number.

2798190 is an abundant number, since it is smaller than the sum of its proper divisors (4477338).

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

2798190 is a wasteful number, since it uses less digits than its factorization.

2798190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31104 (or 31101 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2798190 is about 1672.7791246904. The cubic root of 2798190 is about 140.9155975931.

The spelling of 2798190 in words is "two million, seven hundred ninety-eight thousand, one hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 31091 62182 93273 155455 186546 279819 310910 466365 559638 932730 1399095 2798190