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4380379 = 19072297
BaseRepresentation
bin10000101101011011011011
322020112202021
4100231123123
52110133004
6233515311
752142533
oct20553333
98215667
104380379
112522053
121572b37
13ba4a53
148204c3
155b7d54
hex42d6db

4380379 has 4 divisors (see below), whose sum is σ = 4384584. Its totient is φ = 4376176.

The previous prime is 4380361. The next prime is 4380391. The reversal of 4380379 is 9730834.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4380379 - 27 = 4380251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4380179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759 + ... + 3055.

It is an arithmetic number, because the mean of its divisors is an integer number (1096146).

Almost surely, 24380379 is an apocalyptic number.

4380379 is a deficient number, since it is larger than the sum of its proper divisors (4205).

4380379 is a wasteful number, since it uses less digits than its factorization.

4380379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 4380379 is about 2092.9354982894. The cubic root of 4380379 is about 163.6203168795.

The spelling of 4380379 in words is "four million, three hundred eighty thousand, three hundred seventy-nine".

Divisors: 1 1907 2297 4380379