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51350452 = 2222135801
BaseRepresentation
bin1100001111100…
…0101110110100
310120121212120121
43003320232310
5101121203302
65032341324
71162320526
oct303705664
9116555517
1051350452
1126a9339a
1215244844
13a83bcaa
146b69a16
154794e37
hex30f8bb4

51350452 has 12 divisors (see below), whose sum is σ = 89919396. Its totient is φ = 25659200.

The previous prime is 51350447. The next prime is 51350459. The reversal of 51350452 is 25405315.

It can be written as a sum of positive squares in 2 ways, for example, as 50751376 + 599076 = 7124^2 + 774^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51350459) 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, 5952 + ... + 11752.

It is an arithmetic number, because the mean of its divisors is an integer number (7493283).

Almost surely, 251350452 is an apocalyptic number.

It is an amenable number.

51350452 is a deficient number, since it is larger than the sum of its proper divisors (38568944).

51350452 is a wasteful number, since it uses less digits than its factorization.

51350452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8018 (or 8016 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 51350452 is about 7165.9229691645. The cubic root of 51350452 is about 371.6904678420.

Adding to 51350452 its reverse (25405315), we get a palindrome (76755767).

The spelling of 51350452 in words is "fifty-one million, three hundred fifty thousand, four hundred fifty-two".

Divisors: 1 2 4 2213 4426 5801 8852 11602 23204 12837613 25675226 51350452