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4342784 = 2104241
BaseRepresentation
bin10000100100010000000000
322011122011212
4100210100000
52102432114
6233025252
751625115
oct20442000
98148155
104342784
1124a6886
121555228
13b908c4
1481090c
155abb3e
hex424400

4342784 has 22 divisors (see below), whose sum is σ = 8683374. Its totient is φ = 2170880.

The previous prime is 4342771. The next prime is 4342817. The reversal of 4342784 is 4872434.

It can be written as a sum of positive squares in only one way, i.e., 4326400 + 16384 = 2080^2 + 128^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a d-powerful number, because it can be written as 44 + 34 + 44 + 217 + 75 + 8 + 411 .

It is a self number, because there is not a number n which added to its sum of digits gives 4342784.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097 + ... + 3144.

Almost surely, 24342784 is an apocalyptic number.

It is an amenable number.

4342784 is a deficient number, since it is larger than the sum of its proper divisors (4340590).

4342784 is an equidigital number, since it uses as much as digits as its factorization.

4342784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261 (or 4243 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 4342784 is about 2083.9347398611. The cubic root of 4342784 is about 163.1508758979.

The spelling of 4342784 in words is "four million, three hundred forty-two thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 4241 8482 16964 33928 67856 135712 271424 542848 1085696 2171392 4342784