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108205345 = 531732131
BaseRepresentation
bin1100111001100…
…01010100100001
321112121101211101
412130301110201
5210200032340
614423114401
72452505323
oct634612441
9245541741
10108205345
1156096306
12302a2a01
1319557541
1410529613
159775c9a
hex6731521

108205345 has 24 divisors (see below), whose sum is σ = 136933632. Its totient is φ = 81993600.

The previous prime is 108205291. The next prime is 108205367. The reversal of 108205345 is 543502801.

It is not a de Polignac number, because 108205345 - 27 = 108205217 is a prime.

It is a super-3 number, since 3×1082053453 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 825930 + ... + 826060.

It is an arithmetic number, because the mean of its divisors is an integer number (5705568).

Almost surely, 2108205345 is an apocalyptic number.

It is an amenable number.

108205345 is a deficient number, since it is larger than the sum of its proper divisors (28728287).

108205345 is an equidigital number, since it uses as much as digits as its factorization.

108205345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 108205345 is about 10402.1798196340. The cubic root of 108205345 is about 476.5219438281.

The spelling of 108205345 in words is "one hundred eight million, two hundred five thousand, three hundred forty-five".

Divisors: 1 5 31 73 131 155 365 655 2263 4061 5329 9563 11315 20305 26645 47815 165199 296453 698099 825995 1482265 3490495 21641069 108205345