Search a number
-
+
106247849 = 591800811
BaseRepresentation
bin1100101010100…
…11011010101001
321101220221122112
412111103122221
5204144412344
614313132105
72430043331
oct625233251
9241827575
10106247849
1154a79644
122b6ba035
1319020566
141017a0c1
1594dac9e
hex65536a9

106247849 has 4 divisors (see below), whose sum is σ = 108048720. Its totient is φ = 104446980.

The previous prime is 106247839. The next prime is 106247857. The reversal of 106247849 is 948742601.

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: 948742601 = 2513779851.

It is a cyclic number.

It is not a de Polignac number, because 106247849 - 28 = 106247593 is a prime.

It is a super-2 number, since 2×1062478492 = 22577210834253602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106247839) 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, 900347 + ... + 900464.

It is an arithmetic number, because the mean of its divisors is an integer number (27012180).

Almost surely, 2106247849 is an apocalyptic number.

It is an amenable number.

106247849 is a deficient number, since it is larger than the sum of its proper divisors (1800871).

106247849 is an equidigital number, since it uses as much as digits as its factorization.

106247849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800870.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 106247849 is about 10307.6597246902. The cubic root of 106247849 is about 473.6309223769.

The spelling of 106247849 in words is "one hundred six million, two hundred forty-seven thousand, eight hundred forty-nine".

Divisors: 1 59 1800811 106247849