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148050820 = 2257402541
BaseRepresentation
bin10001101001100…
…01001110000100
3101022120202112201
420310301032010
5300400111240
622405124244
73445261021
oct1064611604
9338522481
10148050820
1176630855
12416b9684
1324898948
141593c548
15cee6d9a
hex8d31384

148050820 has 12 divisors (see below), whose sum is σ = 310906764. Its totient is φ = 59220320.

The previous prime is 148050817. The next prime is 148050821. The reversal of 148050820 is 28050841.

It can be written as a sum of positive squares in 2 ways, for example, as 81432576 + 66618244 = 9024^2 + 8162^2 .

It is a super-3 number, since 3×1480508203 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (148050821) 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 3 ways as a sum of consecutive naturals, for example, 3701251 + ... + 3701290.

It is an arithmetic number, because the mean of its divisors is an integer number (25908897).

Almost surely, 2148050820 is an apocalyptic number.

148050820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148050820 is an abundant number, since it is smaller than the sum of its proper divisors (162855944).

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

148050820 is a wasteful number, since it uses less digits than its factorization.

148050820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7402550 (or 7402548 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 148050820 is about 12167.6135704583. The cubic root of 148050820 is about 529.0177845015.

The spelling of 148050820 in words is "one hundred forty-eight million, fifty thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 7402541 14805082 29610164 37012705 74025410 148050820