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105061051 = 195529529
BaseRepresentation
bin1100100001100…
…01101010111011
321022200122200001
412100301222323
5203343423201
614231453431
72414001304
oct620615273
9238618601
10105061051
1154338a17
122b227277
13189c6304
14dd4b7ab
159354301
hex6431abb

105061051 has 4 divisors (see below), whose sum is σ = 110590600. Its totient is φ = 99531504.

The previous prime is 105061031. The next prime is 105061069. The reversal of 105061051 is 150160501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105061051 - 29 = 105060539 is a prime.

It is a super-2 number, since 2×1050610512 = 22075648874449202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5529529 = 105061051 / (1 + 0 + 5 + 0 + 6 + 1 + 0 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105061001) 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, 2764746 + ... + 2764783.

It is an arithmetic number, because the mean of its divisors is an integer number (27647650).

Almost surely, 2105061051 is an apocalyptic number.

105061051 is a deficient number, since it is larger than the sum of its proper divisors (5529549).

105061051 is an equidigital number, since it uses as much as digits as its factorization.

105061051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529548.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 105061051 is about 10249.9293168295. The cubic root of 105061051 is about 471.8608152162.

The spelling of 105061051 in words is "one hundred five million, sixty-one thousand, fifty-one".

Divisors: 1 19 5529529 105061051