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105427900 = 22523171479
BaseRepresentation
bin1100100100010…
…11001110111100
321100101021220001
412102023032330
5203442143100
614243404044
72420056654
oct622131674
9240337801
10105427900
11545695a6
122b383624
1318ac4296
1410005364
1593c7d6a
hex648b3bc

105427900 has 72 divisors (see below), whose sum is σ = 239984640. Its totient is φ = 40152000.

The previous prime is 105427891. The next prime is 105427913. The reversal of 105427900 is 9724501.

It is a happy number.

It is a super-2 number, since 2×1054279002 = 22230084196820000, which contains 22 as substring.

It is a congruent 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, 219861 + ... + 220339.

It is an arithmetic number, because the mean of its divisors is an integer number (3333120).

Almost surely, 2105427900 is an apocalyptic number.

105427900 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 105427900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119992320).

105427900 is an abundant number, since it is smaller than the sum of its proper divisors (134556740).

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

105427900 is a wasteful number, since it uses less digits than its factorization.

105427900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 105427900 is about 10267.8089191414. The cubic root of 105427900 is about 472.4093869892.

The spelling of 105427900 in words is "one hundred five million, four hundred twenty-seven thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 71 100 124 142 155 284 310 355 479 620 710 775 958 1420 1550 1775 1916 2201 2395 3100 3550 4402 4790 7100 8804 9580 11005 11975 14849 22010 23950 29698 34009 44020 47900 55025 59396 68018 74245 110050 136036 148490 170045 220100 296980 340090 371225 680180 742450 850225 1054279 1484900 1700450 2108558 3400900 4217116 5271395 10542790 21085580 26356975 52713950 105427900