Search a number
-
+
2187150 = 235272083
BaseRepresentation
bin1000010101111110001110
311010010012120
420111332032
51024442100
6114513410
724406350
oct10257616
94103176
102187150
111264269
12895866
135b7694
1440d0d0
152d30a0
hex215f8e

2187150 has 48 divisors (see below), whose sum is σ = 6201984. Its totient is φ = 499680.

The previous prime is 2187149. The next prime is 2187161. The reversal of 2187150 is 517812.

It is a self number, because there is not a number n which added to its sum of digits gives 2187150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9 + ... + 2091.

It is an arithmetic number, because the mean of its divisors is an integer number (129208).

22187150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2187150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3100992).

2187150 is an abundant number, since it is smaller than the sum of its proper divisors (4014834).

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

2187150 is a wasteful number, since it uses less digits than its factorization.

2187150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 2187150 is about 1478.9016194460. The cubic root of 2187150 is about 129.8054288515.

The spelling of 2187150 in words is "two million, one hundred eighty-seven thousand, one hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 150 175 210 350 525 1050 2083 4166 6249 10415 12498 14581 20830 29162 31245 43743 52075 62490 72905 87486 104150 145810 156225 218715 312450 364525 437430 729050 1093575 2187150