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10872864 = 2532191987
BaseRepresentation
bin101001011110…
…100000100000
3202110101202200
4221132200200
510240412424
61025013200
7161263212
oct51364040
922411680
1010872864
116156a42
123784200
132338c62
1416305b2
15e4b8c9
hexa5e820

10872864 has 72 divisors (see below), whose sum is σ = 32563440. Its totient is φ = 3431808.

The previous prime is 10872853. The next prime is 10872881. The reversal of 10872864 is 46827801.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4479 + ... + 6465.

It is an arithmetic number, because the mean of its divisors is an integer number (452270).

Almost surely, 210872864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10872864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16281720).

10872864 is an abundant number, since it is smaller than the sum of its proper divisors (21690576).

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

10872864 is a wasteful number, since it uses less digits than its factorization.

10872864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 10872864 is about 3297.4026141798. The cubic root of 10872864 is about 221.5378748204.

The spelling of 10872864 in words is "ten million, eight hundred seventy-two thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 72 76 96 114 144 152 171 228 288 304 342 456 608 684 912 1368 1824 1987 2736 3974 5472 5961 7948 11922 15896 17883 23844 31792 35766 37753 47688 63584 71532 75506 95376 113259 143064 151012 190752 226518 286128 302024 339777 453036 572256 604048 679554 906072 1208096 1359108 1812144 2718216 3624288 5436432 10872864