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108381000 = 23353713397
BaseRepresentation
bin1100111010111…
…00001101001000
321112221022210010
412131130031020
5210221143000
614430551520
72454136410
oct635341510
9245838703
10108381000
11561a6282
12303685a0
13195b9490
1410573640
1597acd50
hex675c348

108381000 has 256 divisors, whose sum is σ = 417231360. Its totient is φ = 22809600.

The previous prime is 108380927. The next prime is 108381011. The reversal of 108381000 is 183801.

It is a happy number.

It is a super-2 number, since 2×1083810002 = 23492882322000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 272802 + ... + 273198.

It is an arithmetic number, because the mean of its divisors is an integer number (1629810).

Almost surely, 2108381000 is an apocalyptic number.

108381000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108381000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208615680).

108381000 is an abundant number, since it is smaller than the sum of its proper divisors (308850360).

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

108381000 is a wasteful number, since it uses less digits than its factorization.

108381000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 108381000 is about 10410.6195781039. The cubic root of 108381000 is about 476.7796581753.

The spelling of 108381000 in words is "one hundred eight million, three hundred eighty-one thousand".