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148022240 = 2553792441
BaseRepresentation
bin10001101001010…
…10001111100000
3101022112022100012
420310222033200
5300343202430
622404344052
73445111502
oct1064521740
9338468305
10148022240
1176611333
12416a5028
1324888932
1415931d72
15cedd695
hex8d2a3e0

148022240 has 48 divisors (see below), whose sum is σ = 350768880. Its totient is φ = 59028480.

The previous prime is 148022239. The next prime is 148022243. The reversal of 148022240 is 42220841.

It is a happy number.

148022240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148022243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59420 + ... + 61860.

It is an arithmetic number, because the mean of its divisors is an integer number (7307685).

Almost surely, 2148022240 is an apocalyptic number.

148022240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148022240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175384440).

148022240 is an abundant number, since it is smaller than the sum of its proper divisors (202746640).

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

148022240 is a wasteful number, since it uses less digits than its factorization.

148022240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 148022240 is about 12166.4390846295. The cubic root of 148022240 is about 528.9837414585.

The spelling of 148022240 in words is "one hundred forty-eight million, twenty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 379 758 1516 1895 2441 3032 3790 4882 6064 7580 9764 12128 12205 15160 19528 24410 30320 39056 48820 60640 78112 97640 195280 390560 925139 1850278 3700556 4625695 7401112 9251390 14802224 18502780 29604448 37005560 74011120 148022240