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4125799 = 5217919
BaseRepresentation
bin1111101111010001100111
321202121112101
433233101213
52024011144
6224232531
750032366
oct17572147
97677471
104125799
112368857
12146b747
13b15c02
147957dd
155676d4
hex3ef467

4125799 has 4 divisors (see below), whose sum is σ = 4134240. Its totient is φ = 4117360.

The previous prime is 4125787. The next prime is 4125827. The reversal of 4125799 is 9975214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9975214 = 24987607.

It is a cyclic number.

It is not a de Polignac number, because 4125799 - 25 = 4125767 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 47 + 1 + 221 + 59 + 7 + 92 + 95 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125769) 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, 3439 + ... + 4480.

It is an arithmetic number, because the mean of its divisors is an integer number (1033560).

Almost surely, 24125799 is an apocalyptic number.

4125799 is a deficient number, since it is larger than the sum of its proper divisors (8441).

4125799 is an equidigital number, since it uses as much as digits as its factorization.

4125799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8440.

The product of its digits is 22680, while the sum is 37.

The square root of 4125799 is about 2031.2062918374. The cubic root of 4125799 is about 160.3870706593.

The spelling of 4125799 in words is "four million, one hundred twenty-five thousand, seven hundred ninety-nine".

Divisors: 1 521 7919 4125799