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148248491 is a prime number
BaseRepresentation
bin10001101011000…
…01011110101011
3101022221210200212
420311201132223
5300422422431
622413251335
73450043226
oct1065413653
9338853625
10148248491
1176756316
1241793b4b
1324937901
14159905bd
15d03572b
hex8d617ab

148248491 has 2 divisors, whose sum is σ = 148248492. Its totient is φ = 148248490.

The previous prime is 148248467. The next prime is 148248539. The reversal of 148248491 is 194842841.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148248491 - 26 = 148248427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148242491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74124245 + 74124246.

It is an arithmetic number, because the mean of its divisors is an integer number (74124246).

Almost surely, 2148248491 is an apocalyptic number.

148248491 is a deficient number, since it is larger than the sum of its proper divisors (1).

148248491 is an equidigital number, since it uses as much as digits as its factorization.

148248491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 41.

The square root of 148248491 is about 12175.7336945254. The cubic root of 148248491 is about 529.2531202896.

The spelling of 148248491 in words is "one hundred forty-eight million, two hundred forty-eight thousand, four hundred ninety-one".