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232105105 = 5157929399
BaseRepresentation
bin11011101010110…
…10010010010001
3121011202011100101
431311122102101
5433404330410
635010452401
75515601161
oct1565322221
9534664311
10232105105
1110a021001
1265894101
13391184cb
1422b7c5a1
151559bd3a
hexdd5a491

232105105 has 8 divisors (see below), whose sum is σ = 278712000. Its totient is φ = 185560176.

The previous prime is 232105103. The next prime is 232105123. The reversal of 232105105 is 501501232.

232105105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 232105105 - 21 = 232105103 is a prime.

It is a super-2 number, since 2×2321051052 = 107745559534122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232105103) 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, 6805 + ... + 22594.

It is an arithmetic number, because the mean of its divisors is an integer number (34839000).

Almost surely, 2232105105 is an apocalyptic number.

It is an amenable number.

232105105 is a deficient number, since it is larger than the sum of its proper divisors (46606895).

232105105 is a wasteful number, since it uses less digits than its factorization.

232105105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30983.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 232105105 is about 15234.9960616995. The cubic root of 232105105 is about 614.5561430417.

Adding to 232105105 its reverse (501501232), we get a palindrome (733606337).

The spelling of 232105105 in words is "two hundred thirty-two million, one hundred five thousand, one hundred five".

Divisors: 1 5 1579 7895 29399 146995 46421021 232105105