Search a number
-
+
106731841 = 997107053
BaseRepresentation
bin1100101110010…
…01100101000001
321102211112120011
412113021211001
5204310404331
614331344521
72434130356
oct627114501
9242745504
10106731841
115527a237
122b8b2141
131915c948
141026462d
1595843b1
hex65c9941

106731841 has 4 divisors (see below), whose sum is σ = 106839892. Its totient is φ = 106623792.

The previous prime is 106731827. The next prime is 106731847. The reversal of 106731841 is 148137601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88284816 + 18447025 = 9396^2 + 4295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106731841 is a prime.

It is a super-2 number, since 2×1067318412 = 22783371766498562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106731847) 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, 52530 + ... + 54523.

It is an arithmetic number, because the mean of its divisors is an integer number (26709973).

Almost surely, 2106731841 is an apocalyptic number.

It is an amenable number.

106731841 is a deficient number, since it is larger than the sum of its proper divisors (108051).

106731841 is an equidigital number, since it uses as much as digits as its factorization.

106731841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108050.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 106731841 is about 10331.1103469085. The cubic root of 106731841 is about 474.3490118285.

The spelling of 106731841 in words is "one hundred six million, seven hundred thirty-one thousand, eight hundred forty-one".

Divisors: 1 997 107053 106731841