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105048321 = 3717219911
BaseRepresentation
bin1100100001011…
…10100100000001
321022200000012120
412100232210001
5203343021241
614231314453
72413616220
oct620564401
9238600176
10105048321
115432a3a4
122b21ba29
13189c0591
14dd46cb7
159350666
hex642e901

105048321 has 48 divisors (see below), whose sum is σ = 179189760. Its totient is φ = 53464320.

The previous prime is 105048311. The next prime is 105048323. The reversal of 105048321 is 123840501.

It is not a de Polignac number, because 105048321 - 25 = 105048289 is a prime.

It is a super-2 number, since 2×1050483212 = 22070299489838082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105048291 and 105048300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105048323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114856 + ... + 115766.

It is an arithmetic number, because the mean of its divisors is an integer number (3733120).

Almost surely, 2105048321 is an apocalyptic number.

It is an amenable number.

105048321 is a deficient number, since it is larger than the sum of its proper divisors (74141439).

105048321 is a wasteful number, since it uses less digits than its factorization.

105048321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 105048321 is about 10249.3083181257. The cubic root of 105048321 is about 471.8417563587.

Adding to 105048321 its reverse (123840501), we get a palindrome (228888822).

The spelling of 105048321 in words is "one hundred five million, forty-eight thousand, three hundred twenty-one".

Divisors: 1 3 7 17 19 21 51 57 119 133 289 323 357 399 867 911 969 2023 2261 2733 5491 6069 6377 6783 15487 16473 17309 19131 38437 46461 51927 108409 115311 121163 263279 294253 325227 363489 789837 882759 1842953 2059771 5002301 5528859 6179313 15006903 35016107 105048321