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105140650 = 25213715349
BaseRepresentation
bin1100100010001…
…01000110101010
321022211200212011
412101011012222
5203404000100
614233310134
72414452336
oct621050652
9238750764
10105140650
11543927aa
122b26534a
1318a23604
14dd6c7c6
15936cbba
hex64451aa

105140650 has 24 divisors (see below), whose sum is σ = 197001900. Its totient is φ = 41746560.

The previous prime is 105140647. The next prime is 105140669. The reversal of 105140650 is 56041501.

It can be written as a sum of positive squares in 6 ways, for example, as 33721249 + 71419401 = 5807^2 + 8451^2 .

It is a super-2 number, since 2×1051406502 = 22109112564845000, which contains 22 as substring.

It is an unprimeable number.

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, 825 + ... + 14524.

Almost surely, 2105140650 is an apocalyptic number.

105140650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105140650 is a deficient number, since it is larger than the sum of its proper divisors (91861250).

105140650 is a wasteful number, since it uses less digits than its factorization.

105140650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15498 (or 15493 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 105140650 is about 10253.8114864669. The cubic root of 105140650 is about 471.9799528257.

The spelling of 105140650 in words is "one hundred five million, one hundred forty thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 137 274 685 1370 3425 6850 15349 30698 76745 153490 383725 767450 2102813 4205626 10514065 21028130 52570325 105140650