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51005034 = 2322833613
BaseRepresentation
bin1100001010010…
…0011001101010
310112222022202100
43002210121222
5101024130114
65021114230
71156351503
oct302443152
9115868670
1051005034
1126877923
12150b8976
13a74a9c2
146ab9baa
154727909
hex30a466a

51005034 has 12 divisors (see below), whose sum is σ = 110510946. Its totient is φ = 17001672.

The previous prime is 51005029. The next prime is 51005039. The reversal of 51005034 is 43050015.

It is an interprime number because it is at equal distance from previous prime (51005029) and next prime (51005039).

It can be written as a sum of positive squares in only one way, i.e., 27531009 + 23474025 = 5247^2 + 4845^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2833613 = 51005034 / (5 + 1 + 0 + 0 + 5 + 0 + 3 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 51004998 and 51005016.

It is not an unprimeable number, because it can be changed into a prime (51005039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1416789 + ... + 1416824.

Almost surely, 251005034 is an apocalyptic number.

51005034 is an abundant number, since it is smaller than the sum of its proper divisors (59505912).

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

51005034 is a wasteful number, since it uses less digits than its factorization.

51005034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833621 (or 2833618 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 51005034 is about 7141.7808703432. The cubic root of 51005034 is about 370.8551779863.

Adding to 51005034 its reverse (43050015), we get a palindrome (94055049).

The spelling of 51005034 in words is "fifty-one million, five thousand, thirty-four".

Divisors: 1 2 3 6 9 18 2833613 5667226 8500839 17001678 25502517 51005034