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148274479 is a prime number
BaseRepresentation
bin10001101011001…
…11110100101111
3101100000010100101
420311213310233
5300424240404
622414011531
73450212053
oct1065476457
9340003311
10148274479
11767738a1
12417a6ba7
13249466a2
1415999c63
15d03d2a4
hex8d67d2f

148274479 has 2 divisors, whose sum is σ = 148274480. Its totient is φ = 148274478.

The previous prime is 148274453. The next prime is 148274507. The reversal of 148274479 is 974472841.

It is a weak prime.

It is an emirp because it is prime and its reverse (974472841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148274479 - 215 = 148241711 is a prime.

It is a super-2 number, since 2×1482744792 = 43970642245442882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148274579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74137239 + 74137240.

It is an arithmetic number, because the mean of its divisors is an integer number (74137240).

Almost surely, 2148274479 is an apocalyptic number.

148274479 is a deficient number, since it is larger than the sum of its proper divisors (1).

148274479 is an equidigital number, since it uses as much as digits as its factorization.

148274479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 46.

The square root of 148274479 is about 12176.8008524407. The cubic root of 148274479 is about 529.2840445537.

It can be divided in two parts, 14827 and 4479, that added together give a triangular number (19306 = T196).

The spelling of 148274479 in words is "one hundred forty-eight million, two hundred seventy-four thousand, four hundred seventy-nine".