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10861380 = 2232583727
BaseRepresentation
bin101001011011…
…101101000100
3202102211000100
4221123231010
510240031010
61024444100
7161214555
oct51335504
922384010
1010861380
116149352
123779630
13233396a
14162a32c
15e482c0
hexa5bb44

10861380 has 72 divisors (see below), whose sum is σ = 33388992. Its totient is φ = 2857536.

The previous prime is 10861363. The next prime is 10861391. The reversal of 10861380 is 8316801.

10861380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 14577 + ... + 15303.

It is an arithmetic number, because the mean of its divisors is an integer number (463736).

Almost surely, 210861380 is an apocalyptic number.

10861380 is a gapful number since it is divisible by the number (10) 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 10861380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16694496).

10861380 is an abundant number, since it is smaller than the sum of its proper divisors (22527612).

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

10861380 is a wasteful number, since it uses less digits than its factorization.

10861380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 10861380 is about 3295.6607835152. The cubic root of 10861380 is about 221.4598506925.

The spelling of 10861380 in words is "ten million, eight hundred sixty-one thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 83 90 166 180 249 332 415 498 727 747 830 996 1245 1454 1494 1660 2181 2490 2908 2988 3635 3735 4362 4980 6543 7270 7470 8724 10905 13086 14540 14940 21810 26172 32715 43620 60341 65430 120682 130860 181023 241364 301705 362046 543069 603410 724092 905115 1086138 1206820 1810230 2172276 2715345 3620460 5430690 10861380