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4387929 = 371316073
BaseRepresentation
bin10000101111010001011001
322020221002220
4100233101121
52110403204
6234014253
752203540
oct20572131
98227086
104387929
112527797
121577389
13ba8310
14823157
155ba1d9
hex42f459

4387929 has 16 divisors (see below), whose sum is σ = 7201152. Its totient is φ = 2314368.

The previous prime is 4387919. The next prime is 4387931. The reversal of 4387929 is 9297834.

It is not a de Polignac number, because 4387929 - 28 = 4387673 is a prime.

4387929 is a lucky number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4387919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7764 + ... + 8309.

It is an arithmetic number, because the mean of its divisors is an integer number (450072).

Almost surely, 24387929 is an apocalyptic number.

It is an amenable number.

4387929 is a deficient number, since it is larger than the sum of its proper divisors (2813223).

4387929 is a wasteful number, since it uses less digits than its factorization.

4387929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16096.

The product of its digits is 108864, while the sum is 42.

The square root of 4387929 is about 2094.7384084892. The cubic root of 4387929 is about 163.7142679838.

The spelling of 4387929 in words is "four million, three hundred eighty-seven thousand, nine hundred twenty-nine".

Divisors: 1 3 7 13 21 39 91 273 16073 48219 112511 208949 337533 626847 1462643 4387929