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148638033 = 3216515337
BaseRepresentation
bin10001101110000…
…00100101010001
3101100200121001100
420313000211101
5301022404113
622425455013
73453255015
oct1067004521
9340617040
10148638033
11769a1a55
1241941469
1324a42ccb
1415a52545
15d0b0d73
hex8dc0951

148638033 has 6 divisors (see below), whose sum is σ = 214699394. Its totient is φ = 99092016.

The previous prime is 148638031. The next prime is 148638059. The reversal of 148638033 is 330836841.

It is a happy number.

148638033 is a `hidden beast` number, since 14 + 8 + 638 + 0 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 141919569 + 6718464 = 11913^2 + 2592^2 .

It is not a de Polignac number, because 148638033 - 21 = 148638031 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148638031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8257660 + ... + 8257677.

Almost surely, 2148638033 is an apocalyptic number.

It is an amenable number.

148638033 is a deficient number, since it is larger than the sum of its proper divisors (66061361).

148638033 is a wasteful number, since it uses less digits than its factorization.

148638033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16515343 (or 16515340 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 148638033 is about 12191.7198540649. The cubic root of 148638033 is about 529.7162751016.

The spelling of 148638033 in words is "one hundred forty-eight million, six hundred thirty-eight thousand, thirty-three".

Divisors: 1 3 9 16515337 49546011 148638033