Base | Representation |
---|---|
bin | 10001101011110… |
… | …00011010011111 |
3 | 101100010120120010 |
4 | 20311320122133 |
5 | 300433424211 |
6 | 22415254303 |
7 | 3450614136 |
oct | 1065703237 |
9 | 340116503 |
10 | 148342431 |
11 | 7680a956 |
12 | 4181a393 |
13 | 2496b5b3 |
14 | 159b691d |
15 | d0534a6 |
hex | 8d7869f |
148342431 has 8 divisors (see below), whose sum is σ = 197867824. Its totient is φ = 98856000.
The previous prime is 148342399. The next prime is 148342507. The reversal of 148342431 is 134243841.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 148342431 - 25 = 148342399 is a prime.
It is a super-2 number, since 2×1483424312 = 44010953669979522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148342231) 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, 765 + ... + 17241.
It is an arithmetic number, because the mean of its divisors is an integer number (24733478).
Almost surely, 2148342431 is an apocalyptic number.
148342431 is a deficient number, since it is larger than the sum of its proper divisors (49525393).
148342431 is a wasteful number, since it uses less digits than its factorization.
148342431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19481.
The product of its digits is 9216, while the sum is 30.
The square root of 148342431 is about 12179.5907566716. The cubic root of 148342431 is about 529.3648865543.
The spelling of 148342431 in words is "one hundred forty-eight million, three hundred forty-two thousand, four hundred thirty-one".
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