Search a number
-
+
105255855 = 345293887
BaseRepresentation
bin1100100011000…
…01001110101111
321100001112220000
412101201032233
5203421141410
614235555343
72415442245
oct621411657
9240045800
10105255855
1154461311
122b2bbb53
1318a63b93
14dd9c795
159391dc0
hex64613af

105255855 has 40 divisors (see below), whose sum is σ = 189538272. Its totient is φ = 55881792.

The previous prime is 105255841. The next prime is 105255863. The reversal of 105255855 is 558552501.

105255855 is a `hidden beast` number, since 1 + 0 + 52 + 558 + 55 = 666.

It is not a de Polignac number, because 105255855 - 26 = 105255791 is a prime.

It is a super-2 number, since 2×1052558552 = 22157590023562050, 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 39 ways as a sum of consecutive naturals, for example, 118222 + ... + 119108.

Almost surely, 2105255855 is an apocalyptic number.

105255855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105255855 is a deficient number, since it is larger than the sum of its proper divisors (84282417).

105255855 is an equidigital number, since it uses as much as digits as its factorization.

105255855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The square root of 105255855 is about 10259.4276156129. The cubic root of 105255855 is about 472.1522762888.

The spelling of 105255855 in words is "one hundred five million, two hundred fifty-five thousand, eight hundred fifty-five".

Divisors: 1 3 5 9 15 27 45 81 135 293 405 879 887 1465 2637 2661 4395 4435 7911 7983 13185 13305 23733 23949 39555 39915 71847 118665 119745 259891 359235 779673 1299455 2339019 3898365 7017057 11695095 21051171 35085285 105255855