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151444800 = 26325213809
BaseRepresentation
bin10010000011011…
…01110101000000
3101112222012012200
421001231311000
5302232213200
623005553200
73516155013
oct1101556500
9345865180
10151444800
11785397a1
1242875800
13254b6710
141618337a
15d467800
hex906dd40

151444800 has 252 divisors, whose sum is σ = 580392540. Its totient is φ = 37232640.

The previous prime is 151444759. The next prime is 151444807. The reversal of 151444800 is 8444151.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2214144 + 149230656 = 1488^2 + 12216^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151444807) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 186796 + ... + 187604.

It is an arithmetic number, because the mean of its divisors is an integer number (2303145).

Almost surely, 2151444800 is an apocalyptic number.

151444800 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 151444800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290196270).

151444800 is an abundant number, since it is smaller than the sum of its proper divisors (428947740).

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

151444800 is a wasteful number, since it uses less digits than its factorization.

151444800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 151444800 is about 12306.2910740808. The cubic root of 151444800 is about 533.0297577919.

Adding to 151444800 its reverse (8444151), we get a palindrome (159888951).

The spelling of 151444800 in words is "one hundred fifty-one million, four hundred forty-four thousand, eight hundred".