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131534104 = 23133313821
BaseRepresentation
bin1111101011100…
…00110100011000
3100011111121212111
413311300310120
5232133042404
621015122104
73155010232
oct765606430
9304447774
10131534104
116827a579
1238073334
1321334b40
141367d252
15b833104
hex7d70d18

131534104 has 32 divisors (see below), whose sum is σ = 266469840. Its totient is φ = 60508800.

The previous prime is 131534099. The next prime is 131534113. The reversal of 131534104 is 401435131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32514 + ... + 36334.

Almost surely, 2131534104 is an apocalyptic number.

It is an amenable number.

131534104 is an abundant number, since it is smaller than the sum of its proper divisors (134935736).

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

131534104 is a wasteful number, since it uses less digits than its factorization.

131534104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171 (or 4167 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 131534104 is about 11468.8318498442. The cubic root of 131534104 is about 508.5645963998.

Adding to 131534104 its reverse (401435131), we get a palindrome (532969235).

The spelling of 131534104 in words is "one hundred thirty-one million, five hundred thirty-four thousand, one hundred four".

Divisors: 1 2 4 8 13 26 52 104 331 662 1324 2648 3821 4303 7642 8606 15284 17212 30568 34424 49673 99346 198692 397384 1264751 2529502 5059004 10118008 16441763 32883526 65767052 131534104