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172704941 = 10310915383
BaseRepresentation
bin10100100101101…
…00010010101101
3110000222022122022
422102310102231
5323203024231
625045355525
74164652643
oct1222642255
9400868568
10172704941
118953a862
1249a08ba5
1329a1b596
1418d19193
1510266c7b
hexa4b44ad

172704941 has 8 divisors (see below), whose sum is σ = 175992960. Its totient is φ = 169448112.

The previous prime is 172704929. The next prime is 172704943. The reversal of 172704941 is 149407271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172704941 - 226 = 105596077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172704943) 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 7 ways as a sum of consecutive naturals, for example, 3536 + ... + 18918.

It is an arithmetic number, because the mean of its divisors is an integer number (21999120).

Almost surely, 2172704941 is an apocalyptic number.

It is an amenable number.

172704941 is a deficient number, since it is larger than the sum of its proper divisors (3288019).

172704941 is a wasteful number, since it uses less digits than its factorization.

172704941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15595.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 172704941 is about 13141.7251911612. The cubic root of 172704941 is about 556.8885059305. Note that the first 3 decimals are identical.

The spelling of 172704941 in words is "one hundred seventy-two million, seven hundred four thousand, nine hundred forty-one".

Divisors: 1 103 109 11227 15383 1584449 1676747 172704941