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105431150 = 25211191693
BaseRepresentation
bin1100100100011…
…00000001101110
321100101110100102
412102030001232
5203442244100
614243431102
72420102306
oct622140156
9240343312
10105431150
1154570a90
122b385492
1318ac58c6
1410006606
1593c8cd5
hex648c06e

105431150 has 24 divisors (see below), whose sum is σ = 213930504. Its totient is φ = 38338400.

The previous prime is 105431129. The next prime is 105431159. The reversal of 105431150 is 51134501.

It is a super-2 number, since 2×1054311502 = 22231454780645000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105431159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95297 + ... + 96396.

It is an arithmetic number, because the mean of its divisors is an integer number (8913771).

Almost surely, 2105431150 is an apocalyptic number.

105431150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105431150 is an abundant number, since it is smaller than the sum of its proper divisors (108499354).

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

105431150 is a wasteful number, since it uses less digits than its factorization.

105431150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191716 (or 191711 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 105431150 is about 10267.9671795346. The cubic root of 105431150 is about 472.4142412221.

Adding to 105431150 its reverse (51134501), we get a palindrome (156565651).

The spelling of 105431150 in words is "one hundred five million, four hundred thirty-one thousand, one hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 191693 383386 958465 1916930 2108623 4217246 4792325 9584650 10543115 21086230 52715575 105431150