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148472077 = 1324320431
BaseRepresentation
bin10001101100110…
…00000100001101
3101100101011101211
420312120010031
5301002101302
622422134421
73451664125
oct1066300415
9340334354
10148472077
11768992a6
1241881411
13249b5600
1415a0bc85
15d07bad7
hex8d9810d

148472077 has 12 divisors (see below), whose sum is σ = 164518464. Its totient is φ = 133857360.

The previous prime is 148472063. The next prime is 148472081. The reversal of 148472077 is 770274841.

It is a de Polignac number, because none of the positive numbers 2k-148472077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148472677) 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 11 ways as a sum of consecutive naturals, for example, 2949 + ... + 17482.

It is an arithmetic number, because the mean of its divisors is an integer number (13709872).

Almost surely, 2148472077 is an apocalyptic number.

It is an amenable number.

148472077 is a deficient number, since it is larger than the sum of its proper divisors (16046387).

148472077 is a wasteful number, since it uses less digits than its factorization.

148472077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20500 (or 20487 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 40.

The square root of 148472077 is about 12184.9118585240. The cubic root of 148472077 is about 529.5190570006.

The spelling of 148472077 in words is "one hundred forty-eight million, four hundred seventy-two thousand, seventy-seven".

Divisors: 1 13 43 169 559 7267 20431 265603 878533 3452839 11420929 148472077