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148472923 = 380339041
BaseRepresentation
bin10001101100110…
…00010001011011
3101100101012120011
420312120101123
5301002113143
622422142351
73451666444
oct1066302133
9340335504
10148472923
11768999a5
12418819b7
13249b5b01
1415a0c2cb
15d07be9d
hex8d9845b

148472923 has 4 divisors (see below), whose sum is σ = 148515768. Its totient is φ = 148430080.

The previous prime is 148472921. The next prime is 148472927. The reversal of 148472923 is 329274841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148472923 - 21 = 148472921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148472921) 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 3 ways as a sum of consecutive naturals, for example, 15718 + ... + 23323.

It is an arithmetic number, because the mean of its divisors is an integer number (37128942).

Almost surely, 2148472923 is an apocalyptic number.

148472923 is a deficient number, since it is larger than the sum of its proper divisors (42845).

148472923 is an equidigital number, since it uses as much as digits as its factorization.

148472923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42844.

The product of its digits is 96768, while the sum is 40.

The square root of 148472923 is about 12184.9465735390. The cubic root of 148472923 is about 529.5200627392.

The spelling of 148472923 in words is "one hundred forty-eight million, four hundred seventy-two thousand, nine hundred twenty-three".

Divisors: 1 3803 39041 148472923