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105442424 = 23131100613
BaseRepresentation
bin1100100100011…
…10110001111000
321100102000210222
412102032301320
5203443124144
614243555212
72420150213
oct622166170
9240360728
10105442424
11545794aa
122b38bb08
1318acaa89
141000a77a
1593cc2ee
hex648ec78

105442424 has 16 divisors (see below), whose sum is σ = 199215720. Its totient is φ = 52318240.

The previous prime is 105442391. The next prime is 105442427. The reversal of 105442424 is 424244501.

It is a super-2 number, since 2×1054424242 = 22236209557991552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105442393 and 105442402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105442427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49259 + ... + 51354.

Almost surely, 2105442424 is an apocalyptic number.

It is an amenable number.

105442424 is a deficient number, since it is larger than the sum of its proper divisors (93773296).

105442424 is a wasteful number, since it uses less digits than its factorization.

105442424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100750 (or 100746 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 105442424 is about 10268.5161537585. The cubic root of 105442424 is about 472.4310794093.

Adding to 105442424 its reverse (424244501), we get a palindrome (529686925).

The spelling of 105442424 in words is "one hundred five million, four hundred forty-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 131 262 524 1048 100613 201226 402452 804904 13180303 26360606 52721212 105442424