Search a number
-
+
105688694 = 2173108491
BaseRepresentation
bin1100100110010…
…10111001110110
321100212112122002
412103022321312
5204024014234
614253135302
72422224206
oct623127166
9240775562
10105688694
1154727531
122b48a532
1318b85bb7
1410072406
15942a27e
hex64cae76

105688694 has 8 divisors (see below), whose sum is σ = 167858568. Its totient is φ = 49735840.

The previous prime is 105688691. The next prime is 105688729. The reversal of 105688694 is 496886501.

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

It is a super-2 number, since 2×1056886942 = 22340200078851272, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105688691) 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, 1554212 + ... + 1554279.

It is an arithmetic number, because the mean of its divisors is an integer number (20982321).

Almost surely, 2105688694 is an apocalyptic number.

105688694 is a deficient number, since it is larger than the sum of its proper divisors (62169874).

105688694 is a wasteful number, since it uses less digits than its factorization.

105688694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108510.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 105688694 is about 10280.5006687418. The cubic root of 105688694 is about 472.7985947996.

The spelling of 105688694 in words is "one hundred five million, six hundred eighty-eight thousand, six hundred ninety-four".

Divisors: 1 2 17 34 3108491 6216982 52844347 105688694