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148155057 = 32109315061
BaseRepresentation
bin10001101010010…
…10101010110001
3101022210001112100
420311022222301
5300411430212
622411251013
73446203641
oct1065125261
9338701470
10148155057
11766a20a6
1241749a69
132490421b
1415968521
15d017bdc
hex8d4aab1

148155057 has 12 divisors (see below), whose sum is σ = 214211764. Its totient is φ = 98673120.

The previous prime is 148155053. The next prime is 148155079. The reversal of 148155057 is 750551841.

148155057 is a `hidden beast` number, since 148 + 1 + 5 + 505 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 134583201 + 13571856 = 11601^2 + 3684^2 .

It is not a de Polignac number, because 148155057 - 22 = 148155053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148155053) 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 in 11 ways as a sum of consecutive naturals, for example, 2307 + ... + 17367.

Almost surely, 2148155057 is an apocalyptic number.

It is an amenable number.

148155057 is a deficient number, since it is larger than the sum of its proper divisors (66056707).

148155057 is a wasteful number, since it uses less digits than its factorization.

148155057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16160 (or 16157 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The square root of 148155057 is about 12171.8961957453. The cubic root of 148155057 is about 529.1419092006.

The spelling of 148155057 in words is "one hundred forty-eight million, one hundred fifty-five thousand, fifty-seven".

Divisors: 1 3 9 1093 3279 9837 15061 45183 135549 16461673 49385019 148155057