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173242641 = 31113403829
BaseRepresentation
bin10100101001101…
…11100100010001
3110001222122020010
422110313210101
5323322231031
625105105133
74202352405
oct1224674421
9401878203
10173242641
1189877840
124a0281a9
1329b79250
1419019105
1510321246
hexa537911

173242641 has 16 divisors (see below), whose sum is σ = 271373760. Its totient is φ = 96918720.

The previous prime is 173242633. The next prime is 173242687. The reversal of 173242641 is 146242371.

It is not a de Polignac number, because 173242641 - 23 = 173242633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 173242599 and 173242608.

It is not an unprimeable number, because it can be changed into a prime (173242691) 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, 201486 + ... + 202343.

It is an arithmetic number, because the mean of its divisors is an integer number (16960860).

Almost surely, 2173242641 is an apocalyptic number.

173242641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

173242641 is a deficient number, since it is larger than the sum of its proper divisors (98131119).

173242641 is a wasteful number, since it uses less digits than its factorization.

173242641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403856.

The product of its digits is 8064, while the sum is 30.

The square root of 173242641 is about 13162.1670328256. The cubic root of 173242641 is about 557.4658465407.

The spelling of 173242641 in words is "one hundred seventy-three million, two hundred forty-two thousand, six hundred forty-one".

Divisors: 1 3 11 13 33 39 143 429 403829 1211487 4442119 5249777 13326357 15749331 57747547 173242641