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4121497 = 17242441
BaseRepresentation
bin1111101110001110011001
321202101122001
433232032121
52023341442
6224201001
750014012
oct17561631
97671561
104121497
1123655a6
121469161
13b13c73
14794009
155662b7
hex3ee399

4121497 has 4 divisors (see below), whose sum is σ = 4363956. Its totient is φ = 3879040.

The previous prime is 4121471. The next prime is 4121503. The reversal of 4121497 is 7941214.

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 2368521 + 1752976 = 1539^2 + 1324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4121497 is a prime.

It is a Duffinian number.

4121497 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4121297) 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, 121204 + ... + 121237.

It is an arithmetic number, because the mean of its divisors is an integer number (1090989).

Almost surely, 24121497 is an apocalyptic number.

It is an amenable number.

4121497 is a deficient number, since it is larger than the sum of its proper divisors (242459).

4121497 is a wasteful number, since it uses less digits than its factorization.

4121497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242458.

The product of its digits is 2016, while the sum is 28.

The square root of 4121497 is about 2030.1470390097. The cubic root of 4121497 is about 160.3313056924.

The spelling of 4121497 in words is "four million, one hundred twenty-one thousand, four hundred ninety-seven".

Divisors: 1 17 242441 4121497