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144238294 = 272119147
BaseRepresentation
bin10001001100011…
…10011011010110
3101001102001202001
420212032123112
5243411111134
622151305514
73401001544
oct1046163326
9331361661
10144238294
1174467402
124037b29a
1323b62505
1415228d94
15c9e2414
hex898e6d6

144238294 has 4 divisors (see below), whose sum is σ = 216357444. Its totient is φ = 72119146.

The previous prime is 144238273. The next prime is 144238301. The reversal of 144238294 is 492832441.

144238294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 492832441 = 1513263791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36059572 + ... + 36059575.

It is an arithmetic number, because the mean of its divisors is an integer number (54089361).

Almost surely, 2144238294 is an apocalyptic number.

144238294 is a deficient number, since it is larger than the sum of its proper divisors (72119150).

144238294 is an equidigital number, since it uses as much as digits as its factorization.

144238294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72119149.

The product of its digits is 55296, while the sum is 37.

The square root of 144238294 is about 12009.9248124208. The cubic root of 144238294 is about 524.4372430937.

The spelling of 144238294 in words is "one hundred forty-four million, two hundred thirty-eight thousand, two hundred ninety-four".

Divisors: 1 2 72119147 144238294