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148408 = 23131427
BaseRepresentation
bin100100001110111000
321112120121
4210032320
514222113
63103024
71155451
oct441670
9245517
10148408
11a1557
1271a74
1352720
143c128
152de8d
hex243b8

148408 has 16 divisors (see below), whose sum is σ = 299880. Its totient is φ = 68448.

The previous prime is 148403. The next prime is 148411. The reversal of 148408 is 804841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148403) by changing a digit.

148408 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 3 ways as a sum of consecutive naturals, for example, 610 + ... + 817.

2148408 is an apocalyptic number.

It is an amenable number.

148408 is an abundant number, since it is smaller than the sum of its proper divisors (151472).

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

148408 is a wasteful number, since it uses less digits than its factorization.

148408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 148408 is about 385.2375890279. The cubic root of 148408 is about 52.9442870116.

The spelling of 148408 in words is "one hundred forty-eight thousand, four hundred eight".

Divisors: 1 2 4 8 13 26 52 104 1427 2854 5708 11416 18551 37102 74204 148408