Base | Representation |
---|---|
bin | 1100011111000… |
… | …1101111110100 |
3 | 10122112200201012 |
4 | 3013301233310 |
5 | 101401323140 |
6 | 5110251352 |
7 | 1204066304 |
oct | 307615764 |
9 | 118480635 |
10 | 52370420 |
11 | 2761a743 |
12 | 15656b58 |
13 | ab0831b |
14 | 6d53604 |
15 | 48e7265 |
hex | 31f1bf4 |
52370420 has 12 divisors (see below), whose sum is σ = 109977924. Its totient is φ = 20948160.
The previous prime is 52370363. The next prime is 52370449. The reversal of 52370420 is 2407325.
It can be written as a sum of positive squares in 2 ways, for example, as 26584336 + 25786084 = 5156^2 + 5078^2 .
It is a congruent number.
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, 1309241 + ... + 1309280.
It is an arithmetic number, because the mean of its divisors is an integer number (9164827).
Almost surely, 252370420 is an apocalyptic number.
It is an amenable number.
52370420 is an abundant number, since it is smaller than the sum of its proper divisors (57607504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52370420 is a wasteful number, since it uses less digits than its factorization.
52370420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2618530 (or 2618528 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 23.
The square root of 52370420 is about 7236.7409791977. The cubic root of 52370420 is about 374.1352994992.
Adding to 52370420 its reverse (2407325), we get a palindrome (54777745).
The spelling of 52370420 in words is "fifty-two million, three hundred seventy thousand, four hundred twenty".
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