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404144302 = 2202072151
BaseRepresentation
bin11000000101101…
…100000010101110
31001011110122202111
4120011230002232
51311430104202
6104034114234
713005112162
oct3005540256
91034418674
10404144302
11198146661
12b341b97a
1365962a53
143b962ca2
15257316d7
hex1816c0ae

404144302 has 4 divisors (see below), whose sum is σ = 606216456. Its totient is φ = 202072150.

The previous prime is 404144297. The next prime is 404144327. The reversal of 404144302 is 203441404.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101036074 + ... + 101036077.

It is an arithmetic number, because the mean of its divisors is an integer number (151554114).

Almost surely, 2404144302 is an apocalyptic number.

404144302 is a deficient number, since it is larger than the sum of its proper divisors (202072154).

404144302 is a wasteful number, since it uses less digits than its factorization.

404144302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202072153.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 404144302 is about 20103.3405681742. The cubic root of 404144302 is about 739.3421850774.

Adding to 404144302 its reverse (203441404), we get a palindrome (607585706).

The spelling of 404144302 in words is "four hundred four million, one hundred forty-four thousand, three hundred two".

Divisors: 1 2 202072151 404144302