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144464398 = 21311349171
BaseRepresentation
bin10001001110001…
…01101000001110
3101001211112220021
420213011220032
5243440330043
622200212354
73402633001
oct1047055016
9331745807
10144464398
1174601271
124046a0ba
1323c113c0
1415287538
15ca393ed
hex89c5a0e

144464398 has 16 divisors (see below), whose sum is σ = 235435536. Its totient is φ = 66084480.

The previous prime is 144464393. The next prime is 144464407. The reversal of 144464398 is 893464441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144464393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21648 + ... + 27523.

It is an arithmetic number, because the mean of its divisors is an integer number (14714721).

Almost surely, 2144464398 is an apocalyptic number.

144464398 is a deficient number, since it is larger than the sum of its proper divisors (90971138).

144464398 is a wasteful number, since it uses less digits than its factorization.

144464398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49299.

The product of its digits is 331776, while the sum is 43.

The square root of 144464398 is about 12019.3343409691. The cubic root of 144464398 is about 524.7111311842.

Adding to 144464398 its sum of digits (43), we get a palindrome (144464441).

The spelling of 144464398 in words is "one hundred forty-four million, four hundred sixty-four thousand, three hundred ninety-eight".

Divisors: 1 2 13 26 113 226 1469 2938 49171 98342 639223 1278446 5556323 11112646 72232199 144464398