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144404222 = 21710614003
BaseRepresentation
bin10001001101101…
…10111011111110
3101001201111100112
420212312323332
5243431413342
622155030022
73402262364
oct1046667376
9331644315
10144404222
1174570036
124043b312
1323bbcbb1
141526d634
15ca26682
hex89b6efe

144404222 has 16 divisors (see below), whose sum is σ = 229621392. Its totient is φ = 67873920.

The previous prime is 144404219. The next prime is 144404233. The reversal of 144404222 is 222404441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34073 + ... + 38075.

It is an arithmetic number, because the mean of its divisors is an integer number (14351337).

Almost surely, 2144404222 is an apocalyptic number.

144404222 is a deficient number, since it is larger than the sum of its proper divisors (85217170).

144404222 is a wasteful number, since it uses less digits than its factorization.

144404222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 144404222 is about 12016.8307802016. The cubic root of 144404222 is about 524.6382657063.

Adding to 144404222 its reverse (222404441), we get a palindrome (366808663).

The spelling of 144404222 in words is "one hundred forty-four million, four hundred four thousand, two hundred twenty-two".

Divisors: 1 2 17 34 1061 2122 4003 8006 18037 36074 68051 136102 4247183 8494366 72202111 144404222