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144380100 = 223521134259
BaseRepresentation
bin10001001101100…
…01000011000100
3101001200021021010
420212301003010
5243430130400
622154322220
73402132144
oct1046610304
9331607233
10144380100
11745539a7
1240429370
1323bb1c17
1415264924
15ca1e450
hex89b10c4

144380100 has 72 divisors (see below), whose sum is σ = 421535520. Its totient is φ = 38151680.

The previous prime is 144380059. The next prime is 144380123. The reversal of 144380100 is 1083441.

It is a super-2 number, since 2×1443801002 = 41691226552020000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31771 + ... + 36029.

It is an arithmetic number, because the mean of its divisors is an integer number (5854660).

Almost surely, 2144380100 is an apocalyptic number.

144380100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144380100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210767760).

144380100 is an abundant number, since it is smaller than the sum of its proper divisors (277155420).

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

144380100 is a wasteful number, since it uses less digits than its factorization.

144380100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389 (or 4382 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 144380100 is about 12015.8270626703. The cubic root of 144380100 is about 524.6090513505.

The spelling of 144380100 in words is "one hundred forty-four million, three hundred eighty thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 113 150 226 300 339 452 565 678 1130 1356 1695 2260 2825 3390 4259 5650 6780 8475 8518 11300 12777 16950 17036 21295 25554 33900 42590 51108 63885 85180 106475 127770 212950 255540 319425 425900 481267 638850 962534 1277700 1443801 1925068 2406335 2887602 4812670 5775204 7219005 9625340 12031675 14438010 24063350 28876020 36095025 48126700 72190050 144380100