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13568984 = 23111329409
BaseRepresentation
bin110011110000…
…101111011000
3221112101010222
4303300233120
511433201414
61202455212
7223222502
oct63605730
927471128
1013568984
117728640
124664508
132a711b0
141b32d72
1512d068e
hexcf0bd8

13568984 has 64 divisors (see below), whose sum is σ = 30996000. Its totient is φ = 5483520.

The previous prime is 13568981. The next prime is 13568987. The reversal of 13568984 is 48986531.

It is an interprime number because it is at equal distance from previous prime (13568981) and next prime (13568987).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13568981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32972 + ... + 33380.

Almost surely, 213568984 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 13568984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15498000).

13568984 is an abundant number, since it is smaller than the sum of its proper divisors (17427016).

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

13568984 is a wasteful number, since it uses less digits than its factorization.

13568984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 464 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 13568984 is about 3683.6101856738. The cubic root of 13568984 is about 238.5150440197.

The spelling of 13568984 in words is "thirteen million, five hundred sixty-eight thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 11 13 22 26 29 44 52 58 88 104 116 143 232 286 319 377 409 572 638 754 818 1144 1276 1508 1636 2552 3016 3272 4147 4499 5317 8294 8998 10634 11861 16588 17996 21268 23722 33176 35992 42536 47444 58487 94888 116974 130471 154193 233948 260942 308386 467896 521884 616772 1043768 1233544 1696123 3392246 6784492 13568984