Search a number
-
+
137894400 = 293452719
BaseRepresentation
bin10000011100000…
…01101000000000
3100121110202120000
420032001220000
5240300110100
621403320000
73263040330
oct1016015000
9317422500
10137894400
1170924116
123a220000
1322750b27
14144570c0
15c18c900
hex8381a00

137894400 has 600 divisors, whose sum is σ = 613963680. Its totient is φ = 29859840.

The previous prime is 137894389. The next prime is 137894401. The reversal of 137894400 is 4498731.

It is a happy number.

137894400 is a `hidden beast` number, since 137 + 89 + 440 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (137894401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7257591 + ... + 7257609.

Almost surely, 2137894400 is an apocalyptic number.

137894400 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 137894400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306981840).

137894400 is an abundant number, since it is smaller than the sum of its proper divisors (476069280).

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

137894400 is an equidigital number, since it uses as much as digits as its factorization.

137894400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 137894400 is about 11742.8446298161. The cubic root of 137894400 is about 516.6330790977.

The spelling of 137894400 in words is "one hundred thirty-seven million, eight hundred ninety-four thousand, four hundred".