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10867920 = 243576469
BaseRepresentation
bin101001011101…
…010011010000
3202110010222120
4221131103100
510240233140
61024534240
7161242620
oct51352320
922403876
1010867920
116153258
123781380
13233692b
14162c880
15e4a1d0
hexa5d4d0

10867920 has 80 divisors (see below), whose sum is σ = 38509440. Its totient is φ = 2483712.

The previous prime is 10867919. The next prime is 10867921. The reversal of 10867920 is 2976801.

It is an interprime number because it is at equal distance from previous prime (10867919) and next prime (10867921).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×108679202 = 236223370252800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10867921) 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 15 ways as a sum of consecutive naturals, for example, 1555 + ... + 4914.

It is an arithmetic number, because the mean of its divisors is an integer number (481368).

Almost surely, 210867920 is an apocalyptic number.

10867920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10867920 is an abundant number, since it is smaller than the sum of its proper divisors (27641520).

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

10867920 is a wasteful number, since it uses less digits than its factorization.

10867920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492 (or 6486 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 10867920 is about 3296.6528479656. The cubic root of 10867920 is about 221.5042912338.

The spelling of 10867920 in words is "ten million, eight hundred sixty-seven thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 6469 12938 19407 25876 32345 38814 45283 51752 64690 77628 90566 97035 103504 129380 135849 155256 181132 194070 226415 258760 271698 310512 362264 388140 452830 517520 543396 679245 724528 776280 905660 1086792 1358490 1552560 1811320 2173584 2716980 3622640 5433960 10867920