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137208 = 2335717
BaseRepresentation
bin100001011111111000
320222012210
4201133320
513342313
62535120
71111011
oct413770
9228183
10137208
11940a5
12674a0
134a5b6
1438008
152a9c3
hex217f8

137208 has 16 divisors (see below), whose sum is σ = 343080. Its totient is φ = 45728.

The previous prime is 137201. The next prime is 137209. The reversal of 137208 is 802731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137201) by changing a digit.

137208 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2835 + ... + 2882.

2137208 is an apocalyptic number.

It is an amenable number.

137208 is an abundant number, since it is smaller than the sum of its proper divisors (205872).

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

137208 is a wasteful number, since it uses less digits than its factorization.

137208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5726 (or 5722 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 137208 is about 370.4159823766. The cubic root of 137208 is about 51.5774434190.

Adding to 137208 its reverse (802731), we get a palindrome (939939).

The spelling of 137208 in words is "one hundred thirty-seven thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 24 5717 11434 17151 22868 34302 45736 68604 137208