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105173430 = 23529120889
BaseRepresentation
bin1100100010011…
…01000110110110
321022220100211020
412101031012312
5203411022210
614234122010
72414650035
oct621150666
9238810736
10105173430
115440539a
122b280306
1318a354cb
14dd7a71c
159377770
hex644d1b6

105173430 has 32 divisors (see below), whose sum is σ = 261122400. Its totient is φ = 27078912.

The previous prime is 105173389. The next prime is 105173479. The reversal of 105173430 is 34371501.

It is a super-2 number, since 2×1051734302 = 22122900755929800, 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 105173430.

It is a congruent number.

It is an unprimeable number.

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, 59575 + ... + 61314.

It is an arithmetic number, because the mean of its divisors is an integer number (8160075).

Almost surely, 2105173430 is an apocalyptic number.

105173430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105173430 is an abundant number, since it is smaller than the sum of its proper divisors (155948970).

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

105173430 is a wasteful number, since it uses less digits than its factorization.

105173430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120928.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 105173430 is about 10255.4097919098. The cubic root of 105173430 is about 472.0289979072.

The spelling of 105173430 in words is "one hundred five million, one hundred seventy-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 120889 241778 362667 604445 725334 1208890 1813335 3505781 3626670 7011562 10517343 17528905 21034686 35057810 52586715 105173430