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105033144 = 23341173617
BaseRepresentation
bin1100100001010…
…10110110111000
321022122020101110
412100222312320
5203342030034
614231120320
72413524036
oct620526670
9238566343
10105033144
1154319a57
122b2130a0
13189b66b8
14dd41556
15934ade9
hex642adb8

105033144 has 64 divisors (see below), whose sum is σ = 270980640. Its totient is φ = 33904640.

The previous prime is 105033143. The next prime is 105033151. The reversal of 105033144 is 441330501.

It is a super-2 number, since 2×1050331442 = 22063922677049472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105033144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105033143) 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, 169924 + ... + 170540.

Almost surely, 2105033144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105033144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135490320).

105033144 is an abundant number, since it is smaller than the sum of its proper divisors (165947496).

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

105033144 is a wasteful number, since it uses less digits than its factorization.

105033144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 105033144 is about 10248.5678999556. The cubic root of 105033144 is about 471.8190319363.

Adding to 105033144 its reverse (441330501), we get a palindrome (546363645).

The spelling of 105033144 in words is "one hundred five million, thirty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 41 82 123 164 173 246 328 346 492 519 617 692 984 1038 1234 1384 1851 2076 2468 3702 4152 4936 7093 7404 14186 14808 21279 25297 28372 42558 50594 56744 75891 85116 101188 106741 151782 170232 202376 213482 303564 320223 426964 607128 640446 853928 1280892 2561784 4376381 8752762 13129143 17505524 26258286 35011048 52516572 105033144