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4180389 = 34093407
BaseRepresentation
bin1111111100100110100101
321212101102020
433330212211
52032233024
6225333353
750350503
oct17744645
97771366
104180389
1123a5874
121497259
13b34a05
147ab673
15578979
hex3fc9a5

4180389 has 8 divisors (see below), whose sum is σ = 5589120. Its totient is φ = 2779296.

The previous prime is 4180387. The next prime is 4180441. The reversal of 4180389 is 9830814.

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

It is not a de Polignac number, because 4180389 - 21 = 4180387 is a prime.

4180389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4180387) 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, 477 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (698640).

Almost surely, 24180389 is an apocalyptic number.

It is an amenable number.

4180389 is a deficient number, since it is larger than the sum of its proper divisors (1408731).

4180389 is a wasteful number, since it uses less digits than its factorization.

4180389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 4180389 is about 2044.5999608725. The cubic root of 4180389 is about 161.0913540929.

The spelling of 4180389 in words is "four million, one hundred eighty thousand, three hundred eighty-nine".

Divisors: 1 3 409 1227 3407 10221 1393463 4180389