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10871664 = 243476179
BaseRepresentation
bin101001011110…
…001101110000
3202110100010020
4221132031300
510240343124
61025003440
7161256546
oct51361560
922410106
1010871664
116156051
123783580
13233854b
14162dd96
15e4b379
hexa5e370

10871664 has 80 divisors (see below), whose sum is σ = 29521920. Its totient is φ = 3444480.

The previous prime is 10871639. The next prime is 10871677. The reversal of 10871664 is 46617801.

It is a happy number.

10871664 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137577 + ... + 137655.

It is an arithmetic number, because the mean of its divisors is an integer number (369024).

Almost surely, 210871664 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 10871664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14760960).

10871664 is an abundant number, since it is smaller than the sum of its proper divisors (18650256).

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

10871664 is a wasteful number, since it uses less digits than its factorization.

10871664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 10871664 is about 3297.2206477577. The cubic root of 10871664 is about 221.5297244002.

The spelling of 10871664 in words is "ten million, eight hundred seventy-one thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 47 48 61 79 94 122 141 158 183 188 237 244 282 316 366 376 474 488 564 632 732 752 948 976 1128 1264 1464 1896 2256 2867 2928 3713 3792 4819 5734 7426 8601 9638 11139 11468 14457 14852 17202 19276 22278 22936 28914 29704 34404 38552 44556 45872 57828 59408 68808 77104 89112 115656 137616 178224 226493 231312 452986 679479 905972 1358958 1811944 2717916 3623888 5435832 10871664