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106615117 = 715230731
BaseRepresentation
bin1100101101011…
…01000101001101
321102121121110001
412112231011031
5204243140432
614325044301
72433133150
oct626550515
9242547401
10106615117
11551aa574
122b856691
131911b78b
1410233c97
15955e9e7
hex65ad14d

106615117 has 4 divisors (see below), whose sum is σ = 121845856. Its totient is φ = 91384380.

The previous prime is 106615111. The next prime is 106615133. The reversal of 106615117 is 711516601.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106615117 is a prime.

It is a super-2 number, since 2×1066151172 = 22733566345847378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106615111) 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, 7615359 + ... + 7615372.

It is an arithmetic number, because the mean of its divisors is an integer number (30461464).

Almost surely, 2106615117 is an apocalyptic number.

It is an amenable number.

106615117 is a deficient number, since it is larger than the sum of its proper divisors (15230739).

106615117 is an equidigital number, since it uses as much as digits as its factorization.

106615117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15230738.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 106615117 is about 10325.4596507855. The cubic root of 106615117 is about 474.1760296780.

The spelling of 106615117 in words is "one hundred six million, six hundred fifteen thousand, one hundred seventeen".

Divisors: 1 7 15230731 106615117