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4125917 = 17298369
BaseRepresentation
bin1111101111010011011101
321202121200202
433233103131
52024012132
6224233245
750032625
oct17572335
97677622
104125917
112368954
12146b825
13b15c93
14795885
15567762
hex3ef4dd

4125917 has 8 divisors (see below), whose sum is σ = 4519800. Its totient is φ = 3748864.

The previous prime is 4125899. The next prime is 4125941. The reversal of 4125917 is 7195214.

It can be written as a sum of positive squares in 4 ways, for example, as 1585081 + 2540836 = 1259^2 + 1594^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4125917 - 26 = 4125853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4125917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3692 + ... + 4677.

It is an arithmetic number, because the mean of its divisors is an integer number (564975).

Almost surely, 24125917 is an apocalyptic number.

It is an amenable number.

4125917 is a deficient number, since it is larger than the sum of its proper divisors (393883).

4125917 is a wasteful number, since it uses less digits than its factorization.

4125917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8415.

The product of its digits is 2520, while the sum is 29.

The square root of 4125917 is about 2031.2353384086. The cubic root of 4125917 is about 160.3885996960.

It can be divided in two parts, 4125 and 917, that multiplied together give a triangular number (3782625 = T2750).

The spelling of 4125917 in words is "four million, one hundred twenty-five thousand, nine hundred seventeen".

Divisors: 1 17 29 493 8369 142273 242701 4125917