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2140448 = 2566889
BaseRepresentation
bin1000001010100100100000
311000202010212
420022210200
51021443243
6113513252
724123242
oct10124440
94022125
102140448
111232172
12872828
1359c34b
143da092
152c4318
hex20a920

2140448 has 12 divisors (see below), whose sum is σ = 4214070. Its totient is φ = 1070208.

The previous prime is 2140447. The next prime is 2140459. The reversal of 2140448 is 8440412.

It can be written as a sum of positive squares in only one way, i.e., 1882384 + 258064 = 1372^2 + 508^2 .

It is not an unprimeable number, because it can be changed into a prime (2140441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33413 + ... + 33476.

22140448 is an apocalyptic number.

It is an amenable number.

2140448 is a deficient number, since it is larger than the sum of its proper divisors (2073622).

2140448 is an equidigital number, since it uses as much as digits as its factorization.

2140448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66899 (or 66891 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2140448 is about 1463.0269990673. The cubic root of 2140448 is about 128.8748661364.

The spelling of 2140448 in words is "two million, one hundred forty thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 66889 133778 267556 535112 1070224 2140448