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51036030 = 2325567067
BaseRepresentation
bin1100001010101…
…1111101111110
310120000220021100
43002223331332
5101031123110
65021513530
71156541043
oct302537576
9116026240
1051036030
1126899141
12151128a6
13a75bb46
146ac71ca
154731bc0
hex30abf7e

51036030 has 24 divisors (see below), whose sum is σ = 132693912. Its totient is φ = 13609584.

The previous prime is 51036017. The next prime is 51036043. The reversal of 51036030 is 3063015.

It is an interprime number because it is at equal distance from previous prime (51036017) and next prime (51036043).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 51035994 and 51036012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283444 + ... + 283623.

It is an arithmetic number, because the mean of its divisors is an integer number (5528913).

Almost surely, 251036030 is an apocalyptic number.

51036030 is an abundant number, since it is smaller than the sum of its proper divisors (81657882).

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

51036030 is a wasteful number, since it uses less digits than its factorization.

51036030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567080 (or 567077 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 51036030 is about 7143.9505877351. The cubic root of 51036030 is about 370.9302862547.

Adding to 51036030 its reverse (3063015), we get a palindrome (54099045).

The spelling of 51036030 in words is "fifty-one million, thirty-six thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 567067 1134134 1701201 2835335 3402402 5103603 5670670 8506005 10207206 17012010 25518015 51036030