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105155061 = 3113186517
BaseRepresentation
bin1100100010010…
…00100111110101
321022212102121220
412101020213311
5203404430221
614233500553
72414542344
oct621104765
9238772556
10105155061
11543a2610
122b271759
1318a2a03b
14dd73b5b
1593720c6
hex64489f5

105155061 has 8 divisors (see below), whose sum is σ = 152952864. Its totient is φ = 63730320.

The previous prime is 105155053. The next prime is 105155077. The reversal of 105155061 is 160551501.

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

It is not a de Polignac number, because 105155061 - 23 = 105155053 is a prime.

It is a super-2 number, since 2×1051550612 = 22115173707827442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105150061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1593226 + ... + 1593291.

It is an arithmetic number, because the mean of its divisors is an integer number (19119108).

Almost surely, 2105155061 is an apocalyptic number.

105155061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105155061 is a deficient number, since it is larger than the sum of its proper divisors (47797803).

105155061 is a wasteful number, since it uses less digits than its factorization.

105155061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186531.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 105155061 is about 10254.5141766931. The cubic root of 105155061 is about 472.0015156635.

It can be divided in two parts, 10515 and 5061, that added together give a triangular number (15576 = T176).

The spelling of 105155061 in words is "one hundred five million, one hundred fifty-five thousand, sixty-one".

Divisors: 1 3 11 33 3186517 9559551 35051687 105155061