Search a number
-
+
53337380 = 2252991961
BaseRepresentation
bin1100101101110…
…1110100100100
310201100211010112
43023131310210
5102123244010
65143112152
71215234365
oct313356444
9121324115
1053337380
1128120188
1215a42658
13b0864a5
147125b6c
154a38a05
hex32ddd24

53337380 has 24 divisors (see below), whose sum is σ = 115872120. Its totient is φ = 20599040.

The previous prime is 53337367. The next prime is 53337413. The reversal of 53337380 is 8373335.

It can be written as a sum of positive squares in 4 ways, for example, as 3182656 + 50154724 = 1784^2 + 7082^2 .

It is a super-2 number, since 2×533373802 = 5689752210528800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45401 + ... + 46560.

It is an arithmetic number, because the mean of its divisors is an integer number (4828005).

Almost surely, 253337380 is an apocalyptic number.

It is an amenable number.

53337380 is an abundant number, since it is smaller than the sum of its proper divisors (62534740).

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

53337380 is a wasteful number, since it uses less digits than its factorization.

53337380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91999 (or 91997 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 53337380 is about 7303.2444844740. The cubic root of 53337380 is about 376.4239314595.

The spelling of 53337380 in words is "fifty-three million, three hundred thirty-seven thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 91961 183922 367844 459805 919610 1839220 2666869 5333738 10667476 13334345 26668690 53337380