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105032609 = 119548419
BaseRepresentation
bin1100100001010…
…10101110100001
321022122012122122
412100222232201
5203342020414
614231114025
72413522343
oct620525641
9238565578
10105032609
1154319610
122b212915
13189b6396
14dd41293
15934ab8e
hex642aba1

105032609 has 4 divisors (see below), whose sum is σ = 114581040. Its totient is φ = 95484180.

The previous prime is 105032593. The next prime is 105032621. The reversal of 105032609 is 906230501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 105032609 - 24 = 105032593 is a prime.

It is a super-2 number, since 2×1050326092 = 22063697906693762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105032689) 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, 4774199 + ... + 4774220.

It is an arithmetic number, because the mean of its divisors is an integer number (28645260).

Almost surely, 2105032609 is an apocalyptic number.

It is an amenable number.

105032609 is a deficient number, since it is larger than the sum of its proper divisors (9548431).

105032609 is an equidigital number, since it uses as much as digits as its factorization.

105032609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9548430.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 105032609 is about 10248.5417987146. The cubic root of 105032609 is about 471.8182308444.

The spelling of 105032609 in words is "one hundred five million, thirty-two thousand, six hundred nine".

Divisors: 1 11 9548419 105032609