Search a number
-
+
52330128 = 2431090211
BaseRepresentation
bin1100011110011…
…1111010010000
310122110122102220
43013213322100
5101344031003
65105341040
71203540654
oct307477220
9118418386
1052330128
11275a2444
1215637780
13aac2b96
146d42a64
1548da353
hex31e7e90

52330128 has 20 divisors (see below), whose sum is σ = 135186288. Its totient is φ = 17443360.

The previous prime is 52330111. The next prime is 52330147. The reversal of 52330128 is 82103325.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 52330098 and 52330107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545058 + ... + 545153.

Almost surely, 252330128 is an apocalyptic number.

It is an amenable number.

52330128 is an abundant number, since it is smaller than the sum of its proper divisors (82856160).

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

52330128 is a wasteful number, since it uses less digits than its factorization.

52330128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090222 (or 1090216 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 52330128 is about 7233.9565937321. The cubic root of 52330128 is about 374.0393259381.

The spelling of 52330128 in words is "fifty-two million, three hundred thirty thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1090211 2180422 3270633 4360844 6541266 8721688 13082532 17443376 26165064 52330128