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131893348 = 2232973337
BaseRepresentation
bin1111101110010…
…00100001100100
3100012011212122211
413313020201210
5232231041343
621030533204
73161034466
oct767104144
9305155584
10131893348
11684a5474
1238207204
132142c502
1413734136
15b8a479d
hex7dc8864

131893348 has 6 divisors (see below), whose sum is σ = 230813366. Its totient is φ = 65946672.

The previous prime is 131893343. The next prime is 131893373. The reversal of 131893348 is 843398131.

It can be written as a sum of positive squares in only one way, i.e., 107371044 + 24522304 = 10362^2 + 4952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131893348.

It is not an unprimeable number, because it can be changed into a prime (131893343) by changing a digit.

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 as a sum of consecutive naturals, namely, 16486665 + ... + 16486672.

Almost surely, 2131893348 is an apocalyptic number.

It is an amenable number.

131893348 is a deficient number, since it is larger than the sum of its proper divisors (98920018).

131893348 is a wasteful number, since it uses less digits than its factorization.

131893348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32973341 (or 32973339 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 131893348 is about 11484.4829226222. The cubic root of 131893348 is about 509.0271702321.

The spelling of 131893348 in words is "one hundred thirty-one million, eight hundred ninety-three thousand, three hundred forty-eight".

Divisors: 1 2 4 32973337 65946674 131893348