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148435428 = 22345727067
BaseRepresentation
bin10001101100011…
…11000111100100
3101100022022010110
420312033013210
5300444413203
622421253020
73451452231
oct1066170744
9340268113
10148435428
1176873809
1241864170
13249a1a1b
14159dc788
15d070d03
hex8d8f1e4

148435428 has 24 divisors (see below), whose sum is σ = 347120032. Its totient is φ = 49368384.

The previous prime is 148435423. The next prime is 148435451. The reversal of 148435428 is 824534841.

148435428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (148435423) 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, 8050 + ... + 19017.

Almost surely, 2148435428 is an apocalyptic number.

It is an amenable number.

148435428 is an abundant number, since it is smaller than the sum of its proper divisors (198684604).

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

148435428 is a wasteful number, since it uses less digits than its factorization.

148435428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27531 (or 27529 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 148435428 is about 12183.4078976286. The cubic root of 148435428 is about 529.4754844060.

The spelling of 148435428 in words is "one hundred forty-eight million, four hundred thirty-five thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 457 914 1371 1828 2742 5484 27067 54134 81201 108268 162402 324804 12369619 24739238 37108857 49478476 74217714 148435428