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105064905 = 35112107541
BaseRepresentation
bin1100100001100…
…10100111001001
321022200211221210
412100302213021
5203344034110
614231523333
72414015451
oct620624711
9238624853
10105064905
1154340900
122b229549
13189c7caa
14dd4cd61
159355520
hex64329c9

105064905 has 48 divisors (see below), whose sum is σ = 186846912. Its totient is φ = 50371200.

The previous prime is 105064901. The next prime is 105064909. The reversal of 105064905 is 509460501.

It is an interprime number because it is at equal distance from previous prime (105064901) and next prime (105064909).

It is not a de Polignac number, because 105064905 - 22 = 105064901 is a prime.

It is a super-2 number, since 2×1050649052 = 22077268525318050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (105064901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193935 + ... + 194475.

It is an arithmetic number, because the mean of its divisors is an integer number (3892644).

Almost surely, 2105064905 is an apocalyptic number.

105064905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105064905 is a deficient number, since it is larger than the sum of its proper divisors (81782007).

105064905 is a wasteful number, since it uses less digits than its factorization.

105064905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 105064905 is about 10250.1173164018. The cubic root of 105064905 is about 471.8665849705.

The spelling of 105064905 in words is "one hundred five million, sixty-four thousand, nine hundred five".

Divisors: 1 3 5 11 15 33 55 107 121 165 321 363 535 541 605 1177 1605 1623 1815 2705 3531 5885 5951 8115 12947 17655 17853 29755 38841 57887 64735 65461 89265 173661 194205 196383 289435 327305 636757 868305 981915 1910271 3183785 7004327 9551355 21012981 35021635 105064905