Search a number
-
+
105687308 = 22311994283
BaseRepresentation
bin1100100110010…
…10100100001100
321100212110201202
412103022210030
5204023443213
614253125032
72422220156
oct623124414
9240773652
10105687308
1154726491
122b489778
1318b8538c
1410071ad6
159429b58
hex64ca90c

105687308 has 24 divisors (see below), whose sum is σ = 191923200. Its totient is φ = 50870160.

The previous prime is 105687301. The next prime is 105687313. The reversal of 105687308 is 803786501.

It is a super-2 number, since 2×1056873082 = 22339614144573728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105687301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22535 + ... + 26817.

It is an arithmetic number, because the mean of its divisors is an integer number (7996800).

Almost surely, 2105687308 is an apocalyptic number.

It is an amenable number.

105687308 is a deficient number, since it is larger than the sum of its proper divisors (86235892).

105687308 is a wasteful number, since it uses less digits than its factorization.

105687308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517 (or 4515 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 105687308 is about 10280.4332593524. The cubic root of 105687308 is about 472.7965280326.

The spelling of 105687308 in words is "one hundred five million, six hundred eighty-seven thousand, three hundred eight".

Divisors: 1 2 4 31 62 124 199 398 796 4283 6169 8566 12338 17132 24676 132773 265546 531092 852317 1704634 3409268 26421827 52843654 105687308