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105949394 = 2131404387
BaseRepresentation
bin1100101000010…
…10100011010010
321101100210020122
412110022203102
5204110340034
614302510242
72424361235
oct624124322
9241323218
10105949394
1154895391
122b595382
1318c47765
14100dd41c
15947c62e
hex650a8d2

105949394 has 8 divisors (see below), whose sum is σ = 160137648. Its totient is φ = 52570180.

The previous prime is 105949387. The next prime is 105949397. The reversal of 105949394 is 493949501.

It is a happy number.

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

It is a super-2 number, since 2×1059493942 = 22450548177934472, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105949397) 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 3 ways as a sum of consecutive naturals, for example, 201932 + ... + 202455.

It is an arithmetic number, because the mean of its divisors is an integer number (20017206).

Almost surely, 2105949394 is an apocalyptic number.

105949394 is a deficient number, since it is larger than the sum of its proper divisors (54188254).

105949394 is a wasteful number, since it uses less digits than its factorization.

105949394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404520.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 105949394 is about 10293.1722029703. The cubic root of 105949394 is about 473.1870229314.

The spelling of 105949394 in words is "one hundred five million, nine hundred forty-nine thousand, three hundred ninety-four".

Divisors: 1 2 131 262 404387 808774 52974697 105949394