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105683545 = 5115633413
BaseRepresentation
bin1100100110010…
…01101001011001
321100212021120101
412103021221121
5204023333140
614253055401
72422203202
oct623115131
9240767511
10105683545
1154723680
122b487561
1318b83756
14100705a9
15942899a
hex64c9a59

105683545 has 16 divisors (see below), whose sum is σ = 138635712. Its totient is φ = 76701760.

The previous prime is 105683531. The next prime is 105683549. The reversal of 105683545 is 545386501.

It is a de Polignac number, because none of the positive numbers 2k-105683545 is a prime.

It is a super-2 number, since 2×1056835452 = 22338023367534050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105683549) 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, 29259 + ... + 32671.

It is an arithmetic number, because the mean of its divisors is an integer number (8664732).

Almost surely, 2105683545 is an apocalyptic number.

It is an amenable number.

105683545 is a deficient number, since it is larger than the sum of its proper divisors (32952167).

105683545 is a wasteful number, since it uses less digits than its factorization.

105683545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 105683545 is about 10280.2502401449. The cubic root of 105683545 is about 472.7909166542.

The spelling of 105683545 in words is "one hundred five million, six hundred eighty-three thousand, five hundred forty-five".

Divisors: 1 5 11 55 563 2815 3413 6193 17065 30965 37543 187715 1921519 9607595 21136709 105683545