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131602048 = 271028141
BaseRepresentation
bin1111101100000…
…01011010000000
3100011122002001221
413312001122000
5232142231143
621020404424
73155412304
oct766013200
9304562057
10131602048
1168316626
12380a6714
1321359a46
1413699d04
15b8482ed
hex7d81680

131602048 has 16 divisors (see below), whose sum is σ = 262176210. Its totient is φ = 65800960.

The previous prime is 131602043. The next prime is 131602069. The reversal of 131602048 is 840206131.

It can be written as a sum of positive squares in only one way, i.e., 109998144 + 21603904 = 10488^2 + 4648^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (131602043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513943 + ... + 514198.

Almost surely, 2131602048 is an apocalyptic number.

It is an amenable number.

131602048 is a deficient number, since it is larger than the sum of its proper divisors (130574162).

131602048 is an equidigital number, since it uses as much as digits as its factorization.

131602048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028155 (or 1028143 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 131602048 is about 11471.7935825223. The cubic root of 131602048 is about 508.6521477495.

Adding to 131602048 its reverse (840206131), we get a palindrome (971808179).

It can be divided in two parts, 13 and 1602048, that added together give a palindrome (1602061).

The spelling of 131602048 in words is "one hundred thirty-one million, six hundred two thousand, forty-eight".

Divisors: 1 2 4 8 16 32 64 128 1028141 2056282 4112564 8225128 16450256 32900512 65801024 131602048