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51070084 = 2213982117
BaseRepresentation
bin1100001011010…
…0010010000100
310120002121222121
43002310102010
5101033220314
65022335324
71160042242
oct302642204
9116077877
1051070084
112691178a
121512a544
13a7714b0
146ad5792
15473bd24
hex30b4484

51070084 has 12 divisors (see below), whose sum is σ = 96247564. Its totient is φ = 23570784.

The previous prime is 51070067. The next prime is 51070139. The reversal of 51070084 is 48007015.

It can be written as a sum of positive squares in 2 ways, for example, as 35070084 + 16000000 = 5922^2 + 4000^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491007 + ... + 491110.

Almost surely, 251070084 is an apocalyptic number.

It is an amenable number.

51070084 is a deficient number, since it is larger than the sum of its proper divisors (45177480).

51070084 is a wasteful number, since it uses less digits than its factorization.

51070084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982134 (or 982132 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 51070084 is about 7146.3336054231. Note that the first 3 decimals coincide. The cubic root of 51070084 is about 371.0127694958.

Adding to 51070084 its reverse (48007015), we get a palindrome (99077099).

The spelling of 51070084 in words is "fifty-one million, seventy thousand, eighty-four".

Divisors: 1 2 4 13 26 52 982117 1964234 3928468 12767521 25535042 51070084