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148397329 = 1217121937
BaseRepresentation
bin10001101100001…
…01110100010001
3101100020100212101
420312011310101
5300442203304
622420400401
73451233163
oct1066056421
9340210771
10148397329
1176848123
1241846101
132498a592
14159cc933
15d0648a4
hex8d85d11

148397329 has 4 divisors (see below), whose sum is σ = 148520484. Its totient is φ = 148274176.

The previous prime is 148397309. The next prime is 148397339. The reversal of 148397329 is 923793841.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33907329 + 114490000 = 5823^2 + 10700^2 .

It is a cyclic number.

It is not a de Polignac number, because 148397329 - 211 = 148395281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148397309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59752 + ... + 62185.

It is an arithmetic number, because the mean of its divisors is an integer number (37130121).

Almost surely, 2148397329 is an apocalyptic number.

It is an amenable number.

148397329 is a deficient number, since it is larger than the sum of its proper divisors (123155).

148397329 is a wasteful number, since it uses less digits than its factorization.

148397329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123154.

The product of its digits is 326592, while the sum is 46.

The square root of 148397329 is about 12181.8442364036. The cubic root of 148397329 is about 529.4301802786.

The spelling of 148397329 in words is "one hundred forty-eight million, three hundred ninety-seven thousand, three hundred twenty-nine".

Divisors: 1 1217 121937 148397329