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137145600 = 2832522381
BaseRepresentation
bin10000010110010…
…10110100000000
3100120001201101200
420023022310000
5240102124400
621335301200
73253501254
oct1013126400
9316051350
10137145600
1170462579
1239b1a800
132254b057
1414300264
15c090b00
hex82cad00

137145600 has 162 divisors, whose sum is σ = 490532406. Its totient is φ = 36556800.

The previous prime is 137145551. The next prime is 137145637. The reversal of 137145600 is 6541731.

137145600 is a `hidden beast` number, since 13 + 7 + 1 + 45 + 600 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2214144 + 134931456 = 1488^2 + 11616^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56410 + ... + 58790.

Almost surely, 2137145600 is an apocalyptic number.

137145600 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 137145600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245266203).

137145600 is an abundant number, since it is smaller than the sum of its proper divisors (353386806).

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

137145600 is a wasteful number, since it uses less digits than its factorization.

137145600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2391 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 137145600 is about 11710.9179828056. The cubic root of 137145600 is about 515.6962336848.

It can be divided in two parts, 1371 and 45600, that added together give a triangular number (46971 = T306).

The spelling of 137145600 in words is "one hundred thirty-seven million, one hundred forty-five thousand, six hundred".