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148664768 = 267331841
BaseRepresentation
bin10001101110001…
…11000111000000
3101100201221201112
420313013013000
5301024233033
622430222452
73453425660
oct1067070700
9340657645
10148664768
1176a1004a
1241954a28
1324a52225
1415a5c1a0
15d0b8c48
hex8dc71c0

148664768 has 28 divisors (see below), whose sum is σ = 337151472. Its totient is φ = 63713280.

The previous prime is 148664767. The next prime is 148664771. The reversal of 148664768 is 867466841.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148664767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165473 + ... + 166368.

It is an arithmetic number, because the mean of its divisors is an integer number (12041124).

Almost surely, 2148664768 is an apocalyptic number.

It is an amenable number.

148664768 is an abundant number, since it is smaller than the sum of its proper divisors (188486704).

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

148664768 is an equidigital number, since it uses as much as digits as its factorization.

148664768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331860 (or 331850 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The square root of 148664768 is about 12192.8162456423. The cubic root of 148664768 is about 529.7480325985.

The spelling of 148664768 in words is "one hundred forty-eight million, six hundred sixty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 331841 663682 1327364 2322887 2654728 4645774 5309456 9291548 10618912 18583096 21237824 37166192 74332384 148664768