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148632031 is a prime number
BaseRepresentation
bin10001101101111…
…11000111011111
3101100200021211001
420312333013133
5301022211111
622425411131
73453231352
oct1066770737
9340607731
10148632031
1176998499
1241939aa7
1324a40362
1415a50299
15d0ae1c1
hex8dbf1df

148632031 has 2 divisors, whose sum is σ = 148632032. Its totient is φ = 148632030.

The previous prime is 148632019. The next prime is 148632059. The reversal of 148632031 is 130236841.

It is an a-pointer prime, because the next prime (148632059) can be obtained adding 148632031 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148632031 - 25 = 148631999 is a prime.

It is a super-2 number, since 2×1486320312 = 44182961278369922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148632061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74316015 + 74316016.

It is an arithmetic number, because the mean of its divisors is an integer number (74316016).

Almost surely, 2148632031 is an apocalyptic number.

148632031 is a deficient number, since it is larger than the sum of its proper divisors (1).

148632031 is an equidigital number, since it uses as much as digits as its factorization.

148632031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 148632031 is about 12191.4737009108. The cubic root of 148632031 is about 529.7091450291.

Adding to 148632031 its reverse (130236841), we get a palindrome (278868872).

The spelling of 148632031 in words is "one hundred forty-eight million, six hundred thirty-two thousand, thirty-one".