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137360 = 24517101
BaseRepresentation
bin100001100010010000
320222102102
4201202100
513343420
62535532
71111316
oct414220
9228372
10137360
1194223
12675a8
134a6a2
14380b6
152aa75
hex21890

137360 has 40 divisors (see below), whose sum is σ = 341496. Its totient is φ = 51200.

The previous prime is 137359. The next prime is 137363. The reversal of 137360 is 63731.

It can be written as a sum of positive squares in 4 ways, for example, as 65536 + 71824 = 256^2 + 268^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (137363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310 + ... + 1410.

2137360 is an apocalyptic number.

137360 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 137360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170748).

137360 is an abundant number, since it is smaller than the sum of its proper divisors (204136).

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

137360 is a wasteful number, since it uses less digits than its factorization.

137360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 137360 is about 370.6211003168. The cubic root of 137360 is about 51.5964823434.

The spelling of 137360 in words is "one hundred thirty-seven thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 101 136 170 202 272 340 404 505 680 808 1010 1360 1616 1717 2020 3434 4040 6868 8080 8585 13736 17170 27472 34340 68680 137360