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148738472 = 2318592309
BaseRepresentation
bin10001101110110…
…01000110101000
3101100212200211022
420313121012220
5301034112342
622431552012
73454153601
oct1067310650
9340780738
10148738472
1176a60463
124198b608
1324a7993c
1415a7ada8
15d0d09d2
hex8dd91a8

148738472 has 8 divisors (see below), whose sum is σ = 278884650. Its totient is φ = 74369232.

The previous prime is 148738451. The next prime is 148738481. The reversal of 148738472 is 274837841.

148738472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 110965156 + 37773316 = 10534^2 + 6146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9296147 + ... + 9296162.

Almost surely, 2148738472 is an apocalyptic number.

It is an amenable number.

148738472 is a deficient number, since it is larger than the sum of its proper divisors (130146178).

148738472 is a wasteful number, since it uses less digits than its factorization.

148738472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18592315 (or 18592311 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The square root of 148738472 is about 12195.8383065700. The cubic root of 148738472 is about 529.8355630849.

The spelling of 148738472 in words is "one hundred forty-eight million, seven hundred thirty-eight thousand, four hundred seventy-two".

Divisors: 1 2 4 8 18592309 37184618 74369236 148738472