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137884146 = 2322980691
BaseRepresentation
bin10000011011111…
…11000111110010
3100121110020111020
420031333013302
5240244243041
621403200310
73262665411
oct1015770762
9317406436
10137884146
1170917444
123a216096
132274926a
1414453478
15c189866
hex837f1f2

137884146 has 8 divisors (see below), whose sum is σ = 275768304. Its totient is φ = 45961380.

The previous prime is 137884139. The next prime is 137884157. The reversal of 137884146 is 641488731.

It is a sphenic number, since it is the product of 3 distinct primes.

137884146 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 137884098 and 137884107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11490340 + ... + 11490351.

It is an arithmetic number, because the mean of its divisors is an integer number (34471038).

Almost surely, 2137884146 is an apocalyptic number.

137884146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

137884146 is a wasteful number, since it uses less digits than its factorization.

137884146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22980696.

The product of its digits is 129024, while the sum is 42.

The square root of 137884146 is about 11742.4080153945. The cubic root of 137884146 is about 516.6202729530.

The spelling of 137884146 in words is "one hundred thirty-seven million, eight hundred eighty-four thousand, one hundred forty-six".

Divisors: 1 2 3 6 22980691 45961382 68942073 137884146