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106013405 = 521202681
BaseRepresentation
bin1100101000110…
…10001011011101
321101111001001102
412110122023131
5204114412110
614304122445
72425045661
oct624321335
9241431042
10106013405
1154929493
122b606425
1318c6a934
14101188a1
1594915a5
hex651a2dd

106013405 has 4 divisors (see below), whose sum is σ = 127216092. Its totient is φ = 84810720.

The previous prime is 106013393. The next prime is 106013419. The reversal of 106013405 is 504310601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44970436 + 61042969 = 6706^2 + 7813^2 .

It is not a de Polignac number, because 106013405 - 24 = 106013389 is a prime.

It is a super-2 number, since 2×1060134052 = 22477684079388050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10601336 + ... + 10601345.

It is an arithmetic number, because the mean of its divisors is an integer number (31804023).

Almost surely, 2106013405 is an apocalyptic number.

It is an amenable number.

106013405 is a deficient number, since it is larger than the sum of its proper divisors (21202687).

106013405 is an equidigital number, since it uses as much as digits as its factorization.

106013405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21202686.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 106013405 is about 10296.2811247557. The cubic root of 106013405 is about 473.2822982182.

The spelling of 106013405 in words is "one hundred six million, thirteen thousand, four hundred five".

Divisors: 1 5 21202681 106013405