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148808 = 23111989
BaseRepresentation
bin100100010101001000
321120010102
4210111020
514230213
63104532
71156562
oct442510
9246112
10148808
11a1890
1272148
135296a
143c332
152e158
hex24548

148808 has 32 divisors (see below), whose sum is σ = 324000. Its totient is φ = 63360.

The previous prime is 148793. The next prime is 148817. The reversal of 148808 is 808841.

It is an unprimeable number.

148808 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1628 + ... + 1716.

It is an arithmetic number, because the mean of its divisors is an integer number (10125).

2148808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162000).

148808 is an abundant number, since it is smaller than the sum of its proper divisors (175192).

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

148808 is a wasteful number, since it uses less digits than its factorization.

148808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 148808 is about 385.7563998173. The cubic root of 148808 is about 52.9918107675.

The spelling of 148808 in words is "one hundred forty-eight thousand, eight hundred eight".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 89 152 178 209 356 418 712 836 979 1672 1691 1958 3382 3916 6764 7832 13528 18601 37202 74404 148808