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144870000 = 2435411439
BaseRepresentation
bin10001010001010…
…00101001110000
3101002121011021120
420220220221300
5244041320000
622213022240
73406242342
oct1050505160
9332534246
10144870000
1174858a80
1240624980
1324023bc2
1415351292
15cab96a0
hex8a28a70

144870000 has 200 divisors, whose sum is σ = 511336320. Its totient is φ = 35040000.

The previous prime is 144869987. The next prime is 144870007. The reversal of 144870000 is 78441.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144870007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 329781 + ... + 330219.

Almost surely, 2144870000 is an apocalyptic number.

144870000 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 144870000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255668160).

144870000 is an abundant number, since it is smaller than the sum of its proper divisors (366466320).

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

144870000 is a wasteful number, since it uses less digits than its factorization.

144870000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 144870000 is about 12036.1954121724. The cubic root of 144870000 is about 525.2017365297.

The spelling of 144870000 in words is "one hundred forty-four million, eight hundred seventy thousand".