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144470378 = 21310495297
BaseRepresentation
bin10001001110001…
…11000101101010
3101001211212002202
420213013011222
5243441023003
622200300202
73402656303
oct1047070552
9331755082
10144470378
1174605808
1240471662
1323c14040
14152897aa
15ca3b088
hex89c716a

144470378 has 16 divisors (see below), whose sum is σ = 233641800. Its totient is φ = 66602496.

The previous prime is 144470351. The next prime is 144470401. The reversal of 144470378 is 873074441.

144470378 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 139877929 + 4592449 = 11827^2 + 2143^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24626 + ... + 29922.

Almost surely, 2144470378 is an apocalyptic number.

144470378 is a deficient number, since it is larger than the sum of its proper divisors (89171422).

144470378 is a wasteful number, since it uses less digits than its factorization.

144470378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6361.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 144470378 is about 12019.5831042512. The cubic root of 144470378 is about 524.7183710978.

The spelling of 144470378 in words is "one hundred forty-four million, four hundred seventy thousand, three hundred seventy-eight".

Divisors: 1 2 13 26 1049 2098 5297 10594 13637 27274 68861 137722 5556553 11113106 72235189 144470378