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108023985 = 32523295961
BaseRepresentation
bin1100111000001…
…01000010110001
321112021012001100
412130011002301
5210123231420
614415155013
72451121506
oct634050261
9245235040
10108023985
1155a82023
1230215a69
13194c2b24
14104bd4ad
15973c190
hex67050b1

108023985 has 96 divisors (see below), whose sum is σ = 208915200. Its totient is φ = 51448320.

The previous prime is 108023983. The next prime is 108023999. The reversal of 108023985 is 589320801.

It is not a de Polignac number, because 108023985 - 21 = 108023983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108023983) 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 95 ways as a sum of consecutive naturals, for example, 1770855 + ... + 1770915.

It is an arithmetic number, because the mean of its divisors is an integer number (2176200).

Almost surely, 2108023985 is an apocalyptic number.

108023985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108023985 is a deficient number, since it is larger than the sum of its proper divisors (100891215).

108023985 is a wasteful number, since it uses less digits than its factorization.

108023985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 108023985 is about 10393.4587602011. The cubic root of 108023985 is about 476.2555665127.

The spelling of 108023985 in words is "one hundred eight million, twenty-three thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 15 23 29 45 59 61 69 87 115 145 177 183 207 261 295 305 345 435 531 549 667 885 915 1035 1305 1357 1403 1711 1769 2001 2655 2745 3335 3599 4071 4209 5133 5307 6003 6785 7015 8555 8845 10005 10797 12213 12627 15399 15921 17995 20355 21045 25665 26535 30015 32391 39353 40687 53985 61065 63135 76995 79605 82777 104371 118059 122061 161955 196765 203435 248331 313113 354177 366183 413885 521855 590295 610305 744993 939339 1241655 1565565 1770885 1830915 2400533 3724965 4696695 7201599 12002665 21604797 36007995 108023985