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10881320 = 2351991367
BaseRepresentation
bin101001100000…
…100100101000
3202110211100212
4221200210220
510241200240
61025120252
7161326652
oct51404450
922424325
1010881320
11616232a
123789088
13233ca68
1416336d2
15e4e165
hexa60928

10881320 has 32 divisors (see below), whose sum is σ = 24624000. Its totient is φ = 4327488.

The previous prime is 10881313. The next prime is 10881331. The reversal of 10881320 is 2318801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7277 + ... + 8643.

It is an arithmetic number, because the mean of its divisors is an integer number (769500).

Almost surely, 210881320 is an apocalyptic number.

10881320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10881320 is an abundant number, since it is smaller than the sum of its proper divisors (13742680).

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

10881320 is a wasteful number, since it uses less digits than its factorization.

10881320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 10881320 is about 3298.6845863162. The cubic root of 10881320 is about 221.5952911197.

The spelling of 10881320 in words is "ten million, eight hundred eighty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 199 398 796 995 1367 1592 1990 2734 3980 5468 6835 7960 10936 13670 27340 54680 272033 544066 1088132 1360165 2176264 2720330 5440660 10881320