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137443200 = 27352103139
BaseRepresentation
bin10000011000100…
…11011110000000
3100120121211121220
420030103132000
5240141140300
621345515040
73256151016
oct1014233600
9316554556
10137443200
1170646124
123a042a80
132262364b
141437a8b6
15c0edda0
hex8313780

137443200 has 192 divisors, whose sum is σ = 460387200. Its totient is φ = 36034560.

The previous prime is 137443199. The next prime is 137443217. The reversal of 137443200 is 2344731.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

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, 988731 + ... + 988869.

It is an arithmetic number, because the mean of its divisors is an integer number (2397850).

Almost surely, 2137443200 is an apocalyptic number.

137443200 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 137443200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230193600).

137443200 is an abundant number, since it is smaller than the sum of its proper divisors (322944000).

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

137443200 is a wasteful number, since it uses less digits than its factorization.

137443200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 137443200 is about 11723.6171892467. The cubic root of 137443200 is about 516.0689770178.

Adding to 137443200 its reverse (2344731), we get a palindrome (139787931).

The spelling of 137443200 in words is "one hundred thirty-seven million, four hundred forty-three thousand, two hundred".