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8642112 = 2631923103
BaseRepresentation
bin100000111101…
…111001000000
3121021001202020
4200331321000
54203021422
6505121440
7133312443
oct40757100
917231666
108642112
114972a46
122a89280
131a3779b
14120d65a
15b5a95c
hex83de40

8642112 has 112 divisors (see below), whose sum is σ = 25359360. Its totient is φ = 2585088.

The previous prime is 8642111. The next prime is 8642119. The reversal of 8642112 is 2112468.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (8642111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83853 + ... + 83955.

Almost surely, 28642112 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 8642112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12679680).

8642112 is an abundant number, since it is smaller than the sum of its proper divisors (16717248).

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

8642112 is a wasteful number, since it uses less digits than its factorization.

8642112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 150 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 8642112 is about 2939.7469278834. The cubic root of 8642112 is about 205.2138320038.

The spelling of 8642112 in words is "eight million, six hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 19 23 24 32 38 46 48 57 64 69 76 92 96 103 114 138 152 184 192 206 228 276 304 309 368 412 437 456 552 608 618 736 824 874 912 1104 1216 1236 1311 1472 1648 1748 1824 1957 2208 2369 2472 2622 3296 3496 3648 3914 4416 4738 4944 5244 5871 6592 6992 7107 7828 9476 9888 10488 11742 13984 14214 15656 18952 19776 20976 23484 27968 28428 31312 37904 41952 45011 46968 56856 62624 75808 83904 90022 93936 113712 125248 135033 151616 180044 187872 227424 270066 360088 375744 454848 540132 720176 1080264 1440352 2160528 2880704 4321056 8642112