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11980824 = 233717989
BaseRepresentation
bin101101101101…
…000000011000
3211112200121020
4231231000120
511031341244
61104442440
7203556342
oct55550030
924480536
1011980824
116843409
124019420
13263635b
14183c292
1510b9d19
hexb6d018

11980824 has 64 divisors (see below), whose sum is σ = 31104000. Its totient is φ = 3843840.

The previous prime is 11980819. The next prime is 11980841. The reversal of 11980824 is 42808911.

11980824 = 3222 + 3232 + ... + 4102.

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, 134572 + ... + 134660.

It is an arithmetic number, because the mean of its divisors is an integer number (486000).

Almost surely, 211980824 is an apocalyptic number.

It is an amenable number.

11980824 is an abundant number, since it is smaller than the sum of its proper divisors (19123176).

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

11980824 is a wasteful number, since it uses less digits than its factorization.

11980824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 11980824 is about 3461.3326913199. The cubic root of 11980824 is about 228.8208332701.

The spelling of 11980824 in words is "eleven million, nine hundred eighty thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 71 79 89 142 158 178 213 237 267 284 316 356 426 474 534 568 632 712 852 948 1068 1704 1896 2136 5609 6319 7031 11218 12638 14062 16827 18957 21093 22436 25276 28124 33654 37914 42186 44872 50552 56248 67308 75828 84372 134616 151656 168744 499201 998402 1497603 1996804 2995206 3993608 5990412 11980824