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144415100 = 22521917561
BaseRepresentation
bin10001001101110…
…01100101111100
3101001202001021102
420212321211330
5243432240400
622155152232
73402336164
oct1046714574
9331661242
10144415100
1174578225
1240445678
1323bc4b2b
14152735a4
15ca299d5
hex89b997c

144415100 has 36 divisors (see below), whose sum is σ = 315063168. Its totient is φ = 57456000.

The previous prime is 144415093. The next prime is 144415151. The reversal of 144415100 is 1514441.

It is a super-2 number, since 2×1444151002 = 41711442216020000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15320 + ... + 22880.

Almost surely, 2144415100 is an apocalyptic number.

144415100 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 144415100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157531584).

144415100 is an abundant number, since it is smaller than the sum of its proper divisors (170648068).

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

144415100 is a wasteful number, since it uses less digits than its factorization.

144415100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7766 (or 7759 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 144415100 is about 12017.2833868558. The cubic root of 144415100 is about 524.6514390787.

Adding to 144415100 its reverse (1514441), we get a palindrome (145929541).

The spelling of 144415100 in words is "one hundred forty-four million, four hundred fifteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 191 382 764 955 1910 3820 4775 7561 9550 15122 19100 30244 37805 75610 151220 189025 378050 756100 1444151 2888302 5776604 7220755 14441510 28883020 36103775 72207550 144415100