Search a number
-
+
51202037 is a prime number
BaseRepresentation
bin1100001101010…
…0011111110101
310120100022222202
43003110133311
5101101431122
65025234245
71161132035
oct303243765
9116308882
1051202037
11269a1937
1215192985
13a7b9583
146b2b8c5
154765e92
hex30d47f5

51202037 has 2 divisors, whose sum is σ = 51202038. Its totient is φ = 51202036.

The previous prime is 51202031. The next prime is 51202057. The reversal of 51202037 is 73020215.

It is an a-pointer prime, because the next prime (51202057) can be obtained adding 51202037 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33570436 + 17631601 = 5794^2 + 4199^2 .

It is a cyclic number.

It is not a de Polignac number, because 51202037 - 26 = 51201973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51202031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25601018 + 25601019.

It is an arithmetic number, because the mean of its divisors is an integer number (25601019).

Almost surely, 251202037 is an apocalyptic number.

It is an amenable number.

51202037 is a deficient number, since it is larger than the sum of its proper divisors (1).

51202037 is an equidigital number, since it uses as much as digits as its factorization.

51202037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 51202037 is about 7155.5598662858. The cubic root of 51202037 is about 371.3320310594.

The spelling of 51202037 in words is "fifty-one million, two hundred two thousand, thirty-seven".