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4428154 = 22214077
BaseRepresentation
bin10000111001000101111010
322022222021201
4100321011322
52113200104
6234524414
752432033
oct20710572
98288251
104428154
112554a35
12159670a
13bc0713
14833a8a
155c70a4
hex43917a

4428154 has 4 divisors (see below), whose sum is σ = 6642234. Its totient is φ = 2214076.

The previous prime is 4428139. The next prime is 4428161. The reversal of 4428154 is 4518244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3744225 + 683929 = 1935^2 + 827^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1107037 + ... + 1107040.

Almost surely, 24428154 is an apocalyptic number.

4428154 is a deficient number, since it is larger than the sum of its proper divisors (2214080).

4428154 is a wasteful number, since it uses less digits than its factorization.

4428154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214079.

The product of its digits is 5120, while the sum is 28.

The square root of 4428154 is about 2104.3179417569. The cubic root of 4428154 is about 164.2130139038.

The spelling of 4428154 in words is "four million, four hundred twenty-eight thousand, one hundred fifty-four".

Divisors: 1 2 2214077 4428154