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105426672 = 243131071579
BaseRepresentation
bin1100100100010…
…10111011110000
321100101020012120
412102022323300
5203442123142
614243354240
72420053251
oct622127360
9240336176
10105426672
115456868a
122b382980
1318ac3860
1410004b28
1593c77ec
hex648aef0

105426672 has 80 divisors (see below), whose sum is σ = 296231040. Its totient is φ = 32115456.

The previous prime is 105426661. The next prime is 105426677. The reversal of 105426672 is 276624501.

It is a super-2 number, since 2×1054266722 = 22229566337991168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105426677) 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 15 ways as a sum of consecutive naturals, for example, 65979 + ... + 67557.

It is an arithmetic number, because the mean of its divisors is an integer number (3702888).

Almost surely, 2105426672 is an apocalyptic number.

105426672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105426672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148115520).

105426672 is an abundant number, since it is smaller than the sum of its proper divisors (190804368).

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

105426672 is a wasteful number, since it uses less digits than its factorization.

105426672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 105426672 is about 10267.7491204256. The cubic root of 105426672 is about 472.4075528101.

The spelling of 105426672 in words is "one hundred five million, four hundred twenty-six thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 107 156 208 214 312 321 428 624 642 856 1284 1391 1579 1712 2568 2782 3158 4173 4737 5136 5564 6316 8346 9474 11128 12632 16692 18948 20527 22256 25264 33384 37896 41054 61581 66768 75792 82108 123162 164216 168953 246324 328432 337906 492648 506859 675812 985296 1013718 1351624 2027436 2196389 2703248 4054872 4392778 6589167 8109744 8785556 13178334 17571112 26356668 35142224 52713336 105426672