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105683321 = 236768581
BaseRepresentation
bin1100100110010…
…01100101111001
321100212021021002
412103021211321
5204023331241
614253054345
72422202432
oct623114571
9240767232
10105683321
1154723497
122b4873b5
1318b83613
1410070489
15942889b
hex64c9979

105683321 has 8 divisors (see below), whose sum is σ = 111925824. Its totient is φ = 99578160.

The previous prime is 105683311. The next prime is 105683323. The reversal of 105683321 is 123386501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105683321 is a prime.

It is a super-2 number, since 2×1056833212 = 22337928675178082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105683323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32750 + ... + 35831.

It is an arithmetic number, because the mean of its divisors is an integer number (13990728).

Almost surely, 2105683321 is an apocalyptic number.

It is an amenable number.

105683321 is a deficient number, since it is larger than the sum of its proper divisors (6242503).

105683321 is an equidigital number, since it uses as much as digits as its factorization.

105683321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68671.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 105683321 is about 10280.2393454627. The cubic root of 105683321 is about 472.7905826216.

The spelling of 105683321 in words is "one hundred five million, six hundred eighty-three thousand, three hundred twenty-one".

Divisors: 1 23 67 1541 68581 1577363 4594927 105683321