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106211717 = 293662473
BaseRepresentation
bin1100101010010…
…10100110000101
321101212010002022
412111022212011
5204142233332
614312252525
72426533103
oct625124605
9241763068
10106211717
1154a54487
122b6a1145
1319009c91
141016ac73
1594d0212
hex654a985

106211717 has 4 divisors (see below), whose sum is σ = 109874220. Its totient is φ = 102549216.

The previous prime is 106211713. The next prime is 106211747. The reversal of 106211717 is 717112601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 717112601 = 1319543679.

It can be written as a sum of positive squares in 2 ways, for example, as 19088161 + 87123556 = 4369^2 + 9334^2 .

It is a cyclic number.

It is not a de Polignac number, because 106211717 - 22 = 106211713 is a prime.

It is a super-2 number, since 2×1062117172 = 22561857656176178, 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 (106211713) 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, 1831208 + ... + 1831265.

It is an arithmetic number, because the mean of its divisors is an integer number (27468555).

Almost surely, 2106211717 is an apocalyptic number.

It is an amenable number.

106211717 is a deficient number, since it is larger than the sum of its proper divisors (3662503).

106211717 is an equidigital number, since it uses as much as digits as its factorization.

106211717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662502.

The product of its (nonzero) digits is 588, while the sum is 26.

The square root of 106211717 is about 10305.9068984733. The cubic root of 106211717 is about 473.5772266302.

The spelling of 106211717 in words is "one hundred six million, two hundred eleven thousand, seven hundred seventeen".

Divisors: 1 29 3662473 106211717