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144428354 = 2727737243
BaseRepresentation
bin10001001101111…
…00110101000010
3101001202201110022
420212330311002
5243433201404
622155333442
73402422630
oct1046746502
9331681408
10144428354
1174587184
1240451282
1323bcab85
1415278350
15ca2d8be
hex89bcd42

144428354 has 16 divisors (see below), whose sum is σ = 248491968. Its totient is φ = 61672752.

The previous prime is 144428327. The next prime is 144428359. The reversal of 144428354 is 453824441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (144428359) by changing a digit.

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, 14744 + ... + 22499.

It is an arithmetic number, because the mean of its divisors is an integer number (15530748).

Almost surely, 2144428354 is an apocalyptic number.

144428354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144428354 is a deficient number, since it is larger than the sum of its proper divisors (104063614).

144428354 is a wasteful number, since it uses less digits than its factorization.

144428354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37529.

The product of its digits is 61440, while the sum is 35.

The square root of 144428354 is about 12017.8348299517. The cubic root of 144428354 is about 524.6674889180.

The spelling of 144428354 in words is "one hundred forty-four million, four hundred twenty-eight thousand, three hundred fifty-four".

Divisors: 1 2 7 14 277 554 1939 3878 37243 74486 260701 521402 10316311 20632622 72214177 144428354