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148428 = 223271931
BaseRepresentation
bin100100001111001100
321112121100
4210033030
514222203
63103100
71155510
oct441714
9245540
10148428
11a1575
1271a90
1352737
143c140
152dea3
hex243cc

148428 has 72 divisors (see below), whose sum is σ = 465920. Its totient is φ = 38880.

The previous prime is 148411. The next prime is 148429. The reversal of 148428 is 824841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148429) by changing a digit.

148428 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 23 ways as a sum of consecutive naturals, for example, 4773 + ... + 4803.

2148428 is an apocalyptic number.

148428 is a gapful number since it is divisible by the number (18) 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 148428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232960).

148428 is an abundant number, since it is smaller than the sum of its proper divisors (317492).

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

148428 is a wasteful number, since it uses less digits than its factorization.

148428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 62 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 148428 is about 385.2635461603. The cubic root of 148428 is about 52.9466652261.

It can be divided in two parts, 148 and 428, that added together give a square (576 = 242).

The spelling of 148428 in words is "one hundred forty-eight thousand, four hundred twenty-eight".