Search a number
-
+
9148420 = 225457421
BaseRepresentation
bin100010111001…
…100000000100
3122012210021101
4202321200010
54320222140
6524025444
7140521531
oct42714004
918183241
109148420
115189386
123092284
131b84088
141301d88
15c0a99a
hex8b9804

9148420 has 12 divisors (see below), whose sum is σ = 19211724. Its totient is φ = 3659360.

The previous prime is 9148387. The next prime is 9148423. The reversal of 9148420 is 248419.

It can be written as a sum of positive squares in 2 ways, for example, as 3474496 + 5673924 = 1864^2 + 2382^2 .

It is not an unprimeable number, because it can be changed into a prime (9148423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228691 + ... + 228730.

It is an arithmetic number, because the mean of its divisors is an integer number (1600977).

Almost surely, 29148420 is an apocalyptic number.

It is an amenable number.

9148420 is an abundant number, since it is smaller than the sum of its proper divisors (10063304).

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

9148420 is a wasteful number, since it uses less digits than its factorization.

9148420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457430 (or 457428 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 9148420 is about 3024.6355152315. The cubic root of 9148420 is about 209.1455835712.

The spelling of 9148420 in words is "nine million, one hundred forty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 457421 914842 1829684 2287105 4574210 9148420