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148442648 = 2329639839
BaseRepresentation
bin10001101100100…
…00111000011000
3101100022200000212
420312100320120
5301000131043
622421350252
73451512254
oct1066207030
9340280025
10148442648
1176879182
1241868388
13249a50b3
1415a01264
15d073018
hex8d90e18

148442648 has 16 divisors (see below), whose sum is σ = 287928000. Its totient is φ = 71661856.

The previous prime is 148442647. The next prime is 148442681. The reversal of 148442648 is 846244841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148442641) 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 in 3 ways as a sum of consecutive naturals, for example, 319688 + ... + 320151.

It is an arithmetic number, because the mean of its divisors is an integer number (17995500).

Almost surely, 2148442648 is an apocalyptic number.

It is an amenable number.

148442648 is a deficient number, since it is larger than the sum of its proper divisors (139485352).

148442648 is a wasteful number, since it uses less digits than its factorization.

148442648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639874 (or 639870 counting only the distinct ones).

The product of its digits is 196608, while the sum is 41.

The square root of 148442648 is about 12183.7041986417. The cubic root of 148442648 is about 529.4840689491.

The spelling of 148442648 in words is "one hundred forty-eight million, four hundred forty-two thousand, six hundred forty-eight".

Divisors: 1 2 4 8 29 58 116 232 639839 1279678 2559356 5118712 18555331 37110662 74221324 148442648