Search a number
-
+
105503075 = 5231136133
BaseRepresentation
bin1100100100111…
…01100101100011
321100112010000022
412102131211203
5204002044300
614245144055
72420522066
oct622354543
9240463008
10105503075
1154610027
122b3bb02b
1318b1c572
14100248dd
1593e0285
hex649d963

105503075 has 12 divisors (see below), whose sum is σ = 135044928. Its totient is φ = 81679200.

The previous prime is 105503063. The next prime is 105503087. The reversal of 105503075 is 570305501.

It is an interprime number because it is at equal distance from previous prime (105503063) and next prime (105503087).

It is not a de Polignac number, because 105503075 - 24 = 105503059 is a prime.

It is a super-2 number, since 2×1055030752 = 22261797668911250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67292 + ... + 68841.

It is an arithmetic number, because the mean of its divisors is an integer number (11253744).

Almost surely, 2105503075 is an apocalyptic number.

105503075 is a deficient number, since it is larger than the sum of its proper divisors (29541853).

105503075 is a wasteful number, since it uses less digits than its factorization.

105503075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136174 (or 136169 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 105503075 is about 10271.4689796543. The cubic root of 105503075 is about 472.5216436060.

Adding to 105503075 its reverse (570305501), we get a palindrome (675808576).

The spelling of 105503075 in words is "one hundred five million, five hundred three thousand, seventy-five".

Divisors: 1 5 25 31 155 775 136133 680665 3403325 4220123 21100615 105503075