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4199389 = 37113497
BaseRepresentation
bin10000000001001111011101
321220100110221
4100001033131
52033340024
6230001341
750460055
oct20011735
97810427
104199389
112409077
1214a6251
13b4055c
147b4565
1557e3e4
hex4013dd

4199389 has 4 divisors (see below), whose sum is σ = 4312924. Its totient is φ = 4085856.

The previous prime is 4199387. The next prime is 4199411. The reversal of 4199389 is 9839914.

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 1734489 + 2464900 = 1317^2 + 1570^2 .

It is a cyclic number.

It is not a de Polignac number, because 4199389 - 21 = 4199387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4199383) 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, 56712 + ... + 56785.

It is an arithmetic number, because the mean of its divisors is an integer number (1078231).

Almost surely, 24199389 is an apocalyptic number.

It is an amenable number.

4199389 is a deficient number, since it is larger than the sum of its proper divisors (113535).

4199389 is a wasteful number, since it uses less digits than its factorization.

4199389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113534.

The product of its digits is 69984, while the sum is 43.

The square root of 4199389 is about 2049.2410790339. The cubic root of 4199389 is about 161.3350403746.

The spelling of 4199389 in words is "four million, one hundred ninety-nine thousand, three hundred eighty-nine".

Divisors: 1 37 113497 4199389