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173105244 = 2232132111753
BaseRepresentation
bin10100101000101…
…10000001011100
3110001201122202100
422110112001130
5323303331434
625102125100
74201241004
oct1224260134
9401648670
10173105244
1189793594
1249b80790
1329b2b850
1418dc1004
15102e5699
hexa51605c

173105244 has 72 divisors (see below), whose sum is σ = 473734352. Its totient is φ = 52980480.

The previous prime is 173105227. The next prime is 173105281. The reversal of 173105244 is 442501371.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 97872 + ... + 99624.

Almost surely, 2173105244 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 173105244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236867176).

173105244 is an abundant number, since it is smaller than the sum of its proper divisors (300629108).

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

173105244 is a wasteful number, since it uses less digits than its factorization.

173105244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 173105244 is about 13156.9466062609. The cubic root of 173105244 is about 557.3184340405.

The spelling of 173105244 in words is "one hundred seventy-three million, one hundred five thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 211 234 422 468 633 844 1266 1753 1899 2532 2743 3506 3798 5259 5486 7012 7596 8229 10518 10972 15777 16458 21036 22789 24687 31554 32916 45578 49374 63108 68367 91156 98748 136734 205101 273468 369883 410202 739766 820404 1109649 1479532 2219298 3328947 4438596 4808479 6657894 9616958 13315788 14425437 19233916 28850874 43276311 57701748 86552622 173105244