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137225208 = 23337315329
BaseRepresentation
bin10000010110111…
…10001111111000
3100120012202121010
420023132033320
5240112201313
621341113520
73254252331
oct1013361770
9316182533
10137225208
117050736a
1239b588a0
1322578363
1414321288
15c0a94c3
hex82de3f8

137225208 has 32 divisors (see below), whose sum is σ = 344005200. Its totient is φ = 45616128.

The previous prime is 137225203. The next prime is 137225213. The reversal of 137225208 is 802522731.

It is an interprime number because it is at equal distance from previous prime (137225203) and next prime (137225213).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137225203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288 + ... + 16616.

Almost surely, 2137225208 is an apocalyptic number.

It is an amenable number.

137225208 is an abundant number, since it is smaller than the sum of its proper divisors (206779992).

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

137225208 is a wasteful number, since it uses less digits than its factorization.

137225208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15711 (or 15707 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 137225208 is about 11714.3163692979. The cubic root of 137225208 is about 515.7959953127.

Adding to 137225208 its reverse (802522731), we get a palindrome (939747939).

The spelling of 137225208 in words is "one hundred thirty-seven million, two hundred twenty-five thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 24 373 746 1119 1492 2238 2984 4476 8952 15329 30658 45987 61316 91974 122632 183948 367896 5717717 11435434 17153151 22870868 34306302 45741736 68612604 137225208