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675382218 = 23729797019
BaseRepresentation
bin101000010000011…
…000001111001010
31202001211222020020
4220100120033022
52340344212333
6151003441310
722510440240
oct5020301712
91661758206
10675382218
11317265725
1216a226236
13a9c00164
14659aa790
153e45d3b3
hex284183ca

675382218 has 64 divisors (see below), whose sum is σ = 1617408000. Its totient is φ = 183927744.

The previous prime is 675382207. The next prime is 675382219. The reversal of 675382218 is 812283576.

It is a super-2 number, since 2×6753822182 = 912282280781199048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 675382218.

It is not an unprimeable number, because it can be changed into a prime (675382219) 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 31 ways as a sum of consecutive naturals, for example, 92713 + ... + 99731.

It is an arithmetic number, because the mean of its divisors is an integer number (25272000).

Almost surely, 2675382218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675382218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808704000).

675382218 is an abundant number, since it is smaller than the sum of its proper divisors (942025782).

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

675382218 is a wasteful number, since it uses less digits than its factorization.

675382218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7139.

The product of its digits is 161280, while the sum is 42.

The square root of 675382218 is about 25988.1168613657. The cubic root of 675382218 is about 877.3708624015.

The spelling of 675382218 in words is "six hundred seventy-five million, three hundred eighty-two thousand, two hundred eighteen".

Divisors: 1 2 3 6 7 14 21 29 42 58 79 87 158 174 203 237 406 474 553 609 1106 1218 1659 2291 3318 4582 6873 7019 13746 14038 16037 21057 32074 42114 48111 49133 96222 98266 147399 203551 294798 407102 554501 610653 1109002 1221306 1424857 1663503 2849714 3327006 3881507 4274571 7763014 8549142 11644521 16080529 23289042 32161058 48241587 96483174 112563703 225127406 337691109 675382218