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108102580 = 225311131543
BaseRepresentation
bin1100111000110…
…00001110110100
321112102011212021
412130120032310
5210133240310
614421002524
72451566605
oct634301664
9245364767
10108102580
1156026083
1230253444
131951c831
14104dddac
1597555da
hex67183b4

108102580 has 48 divisors (see below), whose sum is σ = 236565504. Its totient is φ = 41448960.

The previous prime is 108102539. The next prime is 108102583. The reversal of 108102580 is 85201801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108102583) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 69289 + ... + 70831.

It is an arithmetic number, because the mean of its divisors is an integer number (4928448).

Almost surely, 2108102580 is an apocalyptic number.

108102580 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 108102580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118282752).

108102580 is an abundant number, since it is smaller than the sum of its proper divisors (128462924).

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

108102580 is a wasteful number, since it uses less digits than its factorization.

108102580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 108102580 is about 10397.2390565957. The cubic root of 108102580 is about 476.3710415836.

The spelling of 108102580 in words is "one hundred eight million, one hundred two thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 31 62 113 124 155 226 310 452 565 620 1130 1543 2260 3086 3503 6172 7006 7715 14012 15430 17515 30860 35030 47833 70060 95666 174359 191332 239165 348718 478330 697436 871795 956660 1743590 3487180 5405129 10810258 21620516 27025645 54051290 108102580