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10729872 = 2432269277
BaseRepresentation
bin101000111011…
…100110010000
3202012010121200
4220323212100
510221323442
61021551200
7160126266
oct50734620
922163550
1010729872
11606956a
123715500
1322b8b4a
1415d4436
15e1e34c
hexa3b990

10729872 has 60 divisors (see below), whose sum is σ = 30249180. Its totient is φ = 3550464.

The previous prime is 10729871. The next prime is 10729879. The reversal of 10729872 is 27892701.

It can be written as a sum of positive squares in 2 ways, for example, as 1218816 + 9511056 = 1104^2 + 3084^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10729871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38598 + ... + 38874.

It is an arithmetic number, because the mean of its divisors is an integer number (504153).

Almost surely, 210729872 is an apocalyptic number.

10729872 is a gapful number since it is divisible by the number (12) 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 10729872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15124590).

10729872 is an abundant number, since it is smaller than the sum of its proper divisors (19519308).

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

10729872 is a wasteful number, since it uses less digits than its factorization.

10729872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 10729872 is about 3275.6483327732. The cubic root of 10729872 is about 220.5624177345.

The spelling of 10729872 in words is "ten million, seven hundred twenty-nine thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 269 277 538 554 807 831 1076 1108 1614 1662 2152 2216 2421 2493 3228 3324 4304 4432 4842 4986 6456 6648 9684 9972 12912 13296 19368 19944 38736 39888 74513 149026 223539 298052 447078 596104 670617 894156 1192208 1341234 1788312 2682468 3576624 5364936 10729872