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105930971 = 233945289
BaseRepresentation
bin1100101000001…
…10000011011011
321101022211222022
412110012003123
5204104242341
614302245055
72424253436
oct624060333
9241284868
10105930971
1154882563
122b58678b
1318c3c263
14100d681d
159476e4b
hex65060db

105930971 has 4 divisors (see below), whose sum is σ = 105978600. Its totient is φ = 105883344.

The previous prime is 105930949. The next prime is 105930977. The reversal of 105930971 is 179039501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105930971 - 210 = 105929947 is a prime.

It is a super-2 number, since 2×1059309712 = 22442741234005682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105930977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20306 + ... + 24983.

It is an arithmetic number, because the mean of its divisors is an integer number (26494650).

Almost surely, 2105930971 is an apocalyptic number.

105930971 is a deficient number, since it is larger than the sum of its proper divisors (47629).

105930971 is an equidigital number, since it uses as much as digits as its factorization.

105930971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47628.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 105930971 is about 10292.2772504437. The cubic root of 105930971 is about 473.1595946485.

The spelling of 105930971 in words is "one hundred five million, nine hundred thirty thousand, nine hundred seventy-one".

Divisors: 1 2339 45289 105930971