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4125489 = 319157461
BaseRepresentation
bin1111101111001100110001
321202121002220
433233030301
52024003424
6224231253
750031444
oct17571461
97677086
104125489
1123685a5
12146b529
13b15a24
1479565b
15567579
hex3ef331

4125489 has 16 divisors (see below), whose sum is σ = 5839680. Its totient is φ = 2583360.

The previous prime is 4125479. The next prime is 4125493. The reversal of 4125489 is 9845214.

It is not a de Polignac number, because 4125489 - 213 = 4117297 is a prime.

Its product of digits (11520) is a multiple of the sum of its prime divisors (640).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8719 + ... + 9179.

It is an arithmetic number, because the mean of its divisors is an integer number (364980).

Almost surely, 24125489 is an apocalyptic number.

It is an amenable number.

4125489 is a deficient number, since it is larger than the sum of its proper divisors (1714191).

4125489 is a wasteful number, since it uses less digits than its factorization.

4125489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its digits is 11520, while the sum is 33.

The square root of 4125489 is about 2031.1299810697. The cubic root of 4125489 is about 160.3830535596.

The spelling of 4125489 in words is "four million, one hundred twenty-five thousand, four hundred eighty-nine".

Divisors: 1 3 19 57 157 461 471 1383 2983 8759 8949 26277 72377 217131 1375163 4125489