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106771949 = 151707099
BaseRepresentation
bin1100101110100…
…11010111101101
321102220120120122
412113103113231
5204313200244
614332254325
72434355324
oct627232755
9242816518
10106771949
11552a7389
122b9113a5
1319174c8b
14102750bb
1595911ee
hex65d35ed

106771949 has 4 divisors (see below), whose sum is σ = 107479200. Its totient is φ = 106064700.

The previous prime is 106771927. The next prime is 106771969. The reversal of 106771949 is 949177601.

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, and also an emirpimes, since its reverse is a distinct semiprime: 949177601 = 5091864789.

It is a cyclic number.

It is not a de Polignac number, because 106771949 - 212 = 106767853 is a prime.

It is a super-2 number, since 2×1067719492 = 22800498186517202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106771919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353399 + ... + 353700.

It is an arithmetic number, because the mean of its divisors is an integer number (26869800).

Almost surely, 2106771949 is an apocalyptic number.

It is an amenable number.

106771949 is a deficient number, since it is larger than the sum of its proper divisors (707251).

106771949 is an equidigital number, since it uses as much as digits as its factorization.

106771949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707250.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 106771949 is about 10333.0512918499. The cubic root of 106771949 is about 474.4084218020.

The spelling of 106771949 in words is "one hundred six million, seven hundred seventy-one thousand, nine hundred forty-nine".

Divisors: 1 151 707099 106771949