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137473386 = 23107214133
BaseRepresentation
bin10000011000110…
…10110101101010
3100120200101000220
420030122311222
5240143122021
621350310510
73256335021
oct1014326552
9316611026
10137473386
1170666876
123a058436
13226342cb
14143878b8
15c107cc6
hex831ad6a

137473386 has 16 divisors (see below), whose sum is σ = 277517664. Its totient is φ = 45395984.

The previous prime is 137473367. The next prime is 137473397. The reversal of 137473386 is 683374731.

It is a super-3 number, since 3×1374733863 (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106425 + ... + 107708.

It is an arithmetic number, because the mean of its divisors is an integer number (17344854).

Almost surely, 2137473386 is an apocalyptic number.

137473386 is an abundant number, since it is smaller than the sum of its proper divisors (140044278).

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

137473386 is a wasteful number, since it uses less digits than its factorization.

137473386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214245.

The product of its digits is 254016, while the sum is 42.

The square root of 137473386 is about 11724.9045198671. The cubic root of 137473386 is about 516.1067548485.

The spelling of 137473386 in words is "one hundred thirty-seven million, four hundred seventy-three thousand, three hundred eighty-six".

Divisors: 1 2 3 6 107 214 321 642 214133 428266 642399 1284798 22912231 45824462 68736693 137473386