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144432314 = 21353281373
BaseRepresentation
bin10001001101111…
…01110010111010
3101001202220212222
420212331302322
5243433313224
622155404042
73402440315
oct1046756272
9331686788
10144432314
117458a154
1240453622
1323bcc910
141527997c
15ca2eb5e
hex89bdcba

144432314 has 32 divisors (see below), whose sum is σ = 239201424. Its totient is φ = 64995840.

The previous prime is 144432271. The next prime is 144432329. The reversal of 144432314 is 413234441.

It can be written as a sum of positive squares in 8 ways, for example, as 76650025 + 67782289 = 8755^2 + 8233^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387032 + ... + 387404.

Almost surely, 2144432314 is an apocalyptic number.

144432314 is a deficient number, since it is larger than the sum of its proper divisors (94769110).

144432314 is a wasteful number, since it uses less digits than its factorization.

144432314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722.

The product of its digits is 4608, while the sum is 26.

The square root of 144432314 is about 12017.9995839574. Note that the first 3 decimals coincide. The cubic root of 144432314 is about 524.6722840620.

Adding to 144432314 its reverse (413234441), we get a palindrome (557666755).

The spelling of 144432314 in words is "one hundred forty-four million, four hundred thirty-two thousand, three hundred fourteen".

Divisors: 1 2 13 26 53 106 281 373 562 689 746 1378 3653 4849 7306 9698 14893 19769 29786 39538 104813 193609 209626 256997 387218 513994 1362569 2725138 5555089 11110178 72216157 144432314