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144062744 = 237352501
BaseRepresentation
bin10001001011000…
…11100100011000
3101001002010221012
420211203210120
5243340001434
622143433052
73366341000
oct1045434430
9331063835
10144062744
1174357521
12402b5788
1323b00637
14151c1000
15c9aa3ce
hex8963918

144062744 has 32 divisors (see below), whose sum is σ = 315012000. Its totient is φ = 61740000.

The previous prime is 144062689. The next prime is 144062759. The reversal of 144062744 is 447260441.

It is a self number, because there is not a number n which added to its sum of digits gives 144062744.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23507 + ... + 28994.

It is an arithmetic number, because the mean of its divisors is an integer number (9844125).

Almost surely, 2144062744 is an apocalyptic number.

144062744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144062744 is an abundant number, since it is smaller than the sum of its proper divisors (170949256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144062744 is an equidigital number, since it uses as much as digits as its factorization.

144062744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52528 (or 52510 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 144062744 is about 12002.6140486146. The cubic root of 144062744 is about 524.2243954719.

The spelling of 144062744 in words is "one hundred forty-four million, sixty-two thousand, seven hundred forty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 343 392 686 1372 2744 52501 105002 210004 367507 420008 735014 1470028 2572549 2940056 5145098 10290196 18007843 20580392 36015686 72031372 144062744