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148367409 = 3192602937
BaseRepresentation
bin10001101011111…
…10100000110001
3101100011211211020
420311332200301
5300440224114
622420010053
73451050021
oct1065764061
9340154736
10148367409
11768276a3
1241830929
1324979a88
14159c1a81
15d05aaa9
hex8d7e831

148367409 has 8 divisors (see below), whose sum is σ = 208235040. Its totient is φ = 93705696.

The previous prime is 148367383. The next prime is 148367423. The reversal of 148367409 is 904763841.

148367409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148367409 - 27 = 148367281 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148367459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301412 + ... + 1301525.

It is an arithmetic number, because the mean of its divisors is an integer number (26029380).

Almost surely, 2148367409 is an apocalyptic number.

148367409 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

148367409 is a deficient number, since it is larger than the sum of its proper divisors (59867631).

148367409 is a wasteful number, since it uses less digits than its factorization.

148367409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602959.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 148367409 is about 12180.6161174220. The cubic root of 148367409 is about 529.3945964941.

The spelling of 148367409 in words is "one hundred forty-eight million, three hundred sixty-seven thousand, four hundred nine".

Divisors: 1 3 19 57 2602937 7808811 49455803 148367409