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10872855 = 325724931
BaseRepresentation
bin101001011110…
…100000010111
3202110101202100
4221132200113
510240412410
61025013143
7161263200
oct51364027
922411670
1010872855
116156a34
1237841b3
132338c56
1416305a7
15e4b8c0
hexa5e817

10872855 has 36 divisors (see below), whose sum is σ = 21927672. Its totient is φ = 4969440.

The previous prime is 10872853. The next prime is 10872881. The reversal of 10872855 is 55827801.

10872855 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10872855 - 21 = 10872853 is a prime.

It is a super-3 number, since 3×108728553 (a number of 22 digits) contains 333 as substring.

10872855 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10872853) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 261 + ... + 4670.

It is an arithmetic number, because the mean of its divisors is an integer number (609102).

Almost surely, 210872855 is an apocalyptic number.

10872855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10872855 is an abundant number, since it is smaller than the sum of its proper divisors (11054817).

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

10872855 is a wasteful number, since it uses less digits than its factorization.

10872855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956 (or 4946 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 10872855 is about 3297.4012494690. The cubic root of 10872855 is about 221.5378136945.

The spelling of 10872855 in words is "ten million, eight hundred seventy-two thousand, eight hundred fifty-five".

Divisors: 1 3 5 7 9 15 21 35 45 49 63 105 147 245 315 441 735 2205 4931 14793 24655 34517 44379 73965 103551 172585 221895 241619 310653 517755 724857 1208095 1553265 2174571 3624285 10872855