Search a number
-
+
148818450 = 2352111947101
BaseRepresentation
bin10001101111011…
…00101000010010
3101101000202112110
420313230220102
5301044142300
622433410150
73454636014
oct1067545022
9341022473
10148818450
1177005560
1241a09956
1324aa7171
1415a9c1b4
15d0e9550
hex8deca12

148818450 has 192 divisors, whose sum is σ = 437114880. Its totient is φ = 33120000.

The previous prime is 148818433. The next prime is 148818451. The reversal of 148818450 is 54818841.

It is a junction number, because it is equal to n+sod(n) for n = 148818399 and 148818408.

It is not an unprimeable number, because it can be changed into a prime (148818451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1473400 + ... + 1473500.

It is an arithmetic number, because the mean of its divisors is an integer number (2276640).

Almost surely, 2148818450 is an apocalyptic number.

148818450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 148818450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218557440).

148818450 is an abundant number, since it is smaller than the sum of its proper divisors (288296430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148818450 is a wasteful number, since it uses less digits than its factorization.

148818450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 148818450 is about 12199.1167713077. The cubic root of 148818450 is about 529.9305118344.

The spelling of 148818450 in words is "one hundred forty-eight million, eight hundred eighteen thousand, four hundred fifty".