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51051201 = 371892693
BaseRepresentation
bin1100001010111…
…1101011000001
310120001200002020
43002233223001
5101032114301
65022112053
71156633215
oct302575301
9116050066
1051051201
11268a9583
121511b629
13a765a16
146acc945
154736436
hex30afac1

51051201 has 16 divisors (see below), whose sum is σ = 69828480. Its totient is φ = 33165440.

The previous prime is 51051179. The next prime is 51051241. The reversal of 51051201 is 10215015.

51051201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51051201 - 27 = 51051073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51051241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17611 + ... + 20303.

It is an arithmetic number, because the mean of its divisors is an integer number (4364280).

Almost surely, 251051201 is an apocalyptic number.

It is an amenable number.

51051201 is a deficient number, since it is larger than the sum of its proper divisors (18777279).

51051201 is a wasteful number, since it uses less digits than its factorization.

51051201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 51051201 is about 7145.0123162945. The cubic root of 51051201 is about 370.9670369311.

Adding to 51051201 its reverse (10215015), we get a palindrome (61266216).

The spelling of 51051201 in words is "fifty-one million, fifty-one thousand, two hundred one".

Divisors: 1 3 71 89 213 267 2693 6319 8079 18957 191203 239677 573609 719031 17017067 51051201