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86745386 = 2731371137
BaseRepresentation
bin1010010101110…
…10000100101010
320001020010022002
411022322010222
5134201323021
612335131002
72102216000
oct512720452
9201203262
1086745386
1144a69102
1225073a62
1314c82740
14b740a70
15793750b
hex52ba12a

86745386 has 64 divisors (see below), whose sum is σ = 166924800. Its totient is φ = 33586560.

The previous prime is 86745367. The next prime is 86745391. The reversal of 86745386 is 68354768.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86745386.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633110 + ... + 633246.

It is an arithmetic number, because the mean of its divisors is an integer number (2608200).

Almost surely, 286745386 is an apocalyptic number.

86745386 is a deficient number, since it is larger than the sum of its proper divisors (80179414).

86745386 is a wasteful number, since it uses less digits than its factorization.

86745386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 230 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 86745386 is about 9313.7203093071. The cubic root of 86745386 is about 442.6720766695.

The spelling of 86745386 in words is "eighty-six million, seven hundred forty-five thousand, three hundred eighty-six".

Divisors: 1 2 7 13 14 26 49 71 91 98 137 142 182 274 343 497 637 686 923 959 994 1274 1781 1846 1918 3479 3562 4459 6461 6713 6958 8918 9727 12467 12922 13426 19454 24353 24934 45227 46991 48706 68089 87269 90454 93982 126451 136178 174538 252902 316589 476623 610883 633178 885157 953246 1221766 1770314 3336361 6196099 6672722 12392198 43372693 86745386