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105117950 = 25272331289
BaseRepresentation
bin1100100001111…
…11100011111110
321022210112201102
412100333203332
5203402233300
614233013102
72414326220
oct620774376
9238715642
10105117950
1154377743
122b254192
1318a16192
14dd64410
1593660d5
hex643f8fe

105117950 has 48 divisors (see below), whose sum is σ = 224583840. Its totient is φ = 35857920.

The previous prime is 105117917. The next prime is 105117967. The reversal of 105117950 is 59711501.

It is a super-2 number, since 2×1051179502 = 22099566824405000, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80906 + ... + 82194.

It is an arithmetic number, because the mean of its divisors is an integer number (4678830).

Almost surely, 2105117950 is an apocalyptic number.

105117950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105117950 is an abundant number, since it is smaller than the sum of its proper divisors (119465890).

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

105117950 is a wasteful number, since it uses less digits than its factorization.

105117950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 29.

The square root of 105117950 is about 10252.7045212471. The cubic root of 105117950 is about 471.9459833569.

The spelling of 105117950 in words is "one hundred five million, one hundred seventeen thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 233 350 466 1165 1289 1631 2330 2578 3262 5825 6445 8155 9023 11650 12890 16310 18046 32225 40775 45115 64450 81550 90230 225575 300337 451150 600674 1501685 2102359 3003370 4204718 7508425 10511795 15016850 21023590 52558975 105117950