Search a number
-
+
105431060 = 2257753079
BaseRepresentation
bin1100100100011…
…00000000010100
321100101110020002
412102030000110
5203442243220
614243430432
72420102120
oct622140024
9240343202
10105431060
1154570a09
122b385418
1318ac5857
1410006580
1593c8c75
hex648c014

105431060 has 24 divisors (see below), whose sum is σ = 253034880. Its totient is φ = 36147744.

The previous prime is 105431023. The next prime is 105431063. The reversal of 105431060 is 60134501.

It is a super-2 number, since 2×1054310602 = 22231416825447200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105431063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376400 + ... + 376679.

It is an arithmetic number, because the mean of its divisors is an integer number (10543120).

Almost surely, 2105431060 is an apocalyptic number.

105431060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105431060 is an abundant number, since it is smaller than the sum of its proper divisors (147603820).

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

105431060 is a wasteful number, since it uses less digits than its factorization.

105431060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753095 (or 753093 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 105431060 is about 10267.9627969719. The cubic root of 105431060 is about 472.4141067985.

Adding to 105431060 its reverse (60134501), we get a palindrome (165565561).

The spelling of 105431060 in words is "one hundred five million, four hundred thirty-one thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 753079 1506158 3012316 3765395 5271553 7530790 10543106 15061580 21086212 26357765 52715530 105431060