Search a number
-
+
421103148 = 223205317093
BaseRepresentation
bin11001000110011…
…000011000101100
31002100101020220220
4121012120120230
51330300300043
6105441411340
713302213654
oct3106303054
91070336826
10421103148
111a677a034
12b9039b50
136931cb7b
143dcd9364
1526e81483
hex1919862c

421103148 has 24 divisors (see below), whose sum is σ = 983110128. Its totient is φ = 140291136.

The previous prime is 421103147. The next prime is 421103153. The reversal of 421103148 is 841301124.

It is a super-3 number, since 3×4211031483 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (421103147) 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, 16090 + ... + 33182.

It is an arithmetic number, because the mean of its divisors is an integer number (40962922).

Almost surely, 2421103148 is an apocalyptic number.

It is an amenable number.

421103148 is an abundant number, since it is smaller than the sum of its proper divisors (562006980).

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

421103148 is a wasteful number, since it uses less digits than its factorization.

421103148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19153 (or 19151 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 421103148 is about 20520.7979377021. The cubic root of 421103148 is about 749.5423269929.

The spelling of 421103148 in words is "four hundred twenty-one million, one hundred three thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 2053 4106 6159 8212 12318 17093 24636 34186 51279 68372 102558 205116 35091929 70183858 105275787 140367716 210551574 421103148