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51134450 = 2521022689
BaseRepresentation
bin1100001100001…
…1111111110010
310120012220021112
43003003333302
5101042300300
65023553322
71160431013
oct303037762
9116186245
1051134450
1126956084
121515b842
13a794893
146b1100a
154750e35
hex30c3ff2

51134450 has 12 divisors (see below), whose sum is σ = 95110170. Its totient is φ = 20453760.

The previous prime is 51134441. The next prime is 51134459. The reversal of 51134450 is 5443115.

It is an interprime number because it is at equal distance from previous prime (51134441) and next prime (51134459).

It can be written as a sum of positive squares in 3 ways, for example, as 23435281 + 27699169 = 4841^2 + 5263^2 .

It is a super-2 number, since 2×511344502 = 5229463953605000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51134459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 511295 + ... + 511394.

Almost surely, 251134450 is an apocalyptic number.

51134450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51134450 is a deficient number, since it is larger than the sum of its proper divisors (43975720).

51134450 is a wasteful number, since it uses less digits than its factorization.

51134450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022701 (or 1022696 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 51134450 is about 7150.8356155068. The cubic root of 51134450 is about 371.1685722702.

Adding to 51134450 its reverse (5443115), we get a palindrome (56577565).

The spelling of 51134450 in words is "fifty-one million, one hundred thirty-four thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 1022689 2045378 5113445 10226890 25567225 51134450