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51133201 = 710137211
BaseRepresentation
bin1100001100001…
…1101100010001
310120012211120021
43003003230101
5101042230301
65023543441
71160424250
oct303035421
9116184507
1051133201
1126955149
121515ab81
13a794142
146b10797
1547508a1
hex30c3b11

51133201 has 8 divisors (see below), whose sum is σ = 58503744. Its totient is φ = 43779120.

The previous prime is 51133193. The next prime is 51133213. The reversal of 51133201 is 10233115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51133201 - 23 = 51133193 is a prime.

It is a super-2 number, since 2×511332012 = 5229208489012802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51133241) 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 7 ways as a sum of consecutive naturals, for example, 3486 + ... + 10696.

It is an arithmetic number, because the mean of its divisors is an integer number (7312968).

Almost surely, 251133201 is an apocalyptic number.

It is an amenable number.

51133201 is a deficient number, since it is larger than the sum of its proper divisors (7370543).

51133201 is a wasteful number, since it uses less digits than its factorization.

51133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 51133201 is about 7150.7482825226. The cubic root of 51133201 is about 371.1655502154.

Adding to 51133201 its reverse (10233115), we get a palindrome (61366316).

The spelling of 51133201 in words is "fifty-one million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 7 1013 7091 7211 50477 7304743 51133201