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105628860 = 2234565203
BaseRepresentation
bin1100100101111…
…00010010111100
321100202111120000
412102330102330
5204020110420
614251554300
72421554601
oct622742274
9240674500
10105628860
1154696587
122b45b990
1318b648ac
14100586a8
159417690
hex64bc4bc

105628860 has 60 divisors (see below), whose sum is σ = 331366728. Its totient is φ = 28167264.

The previous prime is 105628843. The next prime is 105628867. The reversal of 105628860 is 68826501.

It is a happy number.

105628860 is a `hidden beast` number, since 10 + 562 + 8 + 86 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×1056288602 = 22314912129799200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105628867) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30982 + ... + 34221.

Almost surely, 2105628860 is an apocalyptic number.

105628860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105628860 is an abundant number, since it is smaller than the sum of its proper divisors (225737868).

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

105628860 is a wasteful number, since it uses less digits than its factorization.

105628860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65224 (or 65213 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 105628860 is about 10277.5901844742. The cubic root of 105628860 is about 472.7093554488.

The spelling of 105628860 in words is "one hundred five million, six hundred twenty-eight thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 65203 130406 195609 260812 326015 391218 586827 652030 782436 978045 1173654 1304060 1760481 1956090 2347308 2934135 3520962 3912180 5281443 5868270 7041924 8802405 10562886 11736540 17604810 21125772 26407215 35209620 52814430 105628860