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51472102 = 2111926481
BaseRepresentation
bin1100010001011…
…0011011100110
310120212001110011
43010112123212
5101134101402
65035120434
71163335303
oct304263346
9116761404
1051472102
1127066830
12152a311a
13a882486
146b9c0aa
1547baed7
hex31166e6

51472102 has 24 divisors (see below), whose sum is σ = 88907112. Its totient is φ = 22161600.

The previous prime is 51472093. The next prime is 51472103. The reversal of 51472102 is 20127415.

It is a happy number.

51472102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51472103) 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 11 ways as a sum of consecutive naturals, for example, 4702 + ... + 11182.

It is an arithmetic number, because the mean of its divisors is an integer number (3704463).

Almost surely, 251472102 is an apocalyptic number.

51472102 is a deficient number, since it is larger than the sum of its proper divisors (37435010).

51472102 is a wasteful number, since it uses less digits than its factorization.

51472102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6532 (or 6513 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 51472102 is about 7174.4060381331. The cubic root of 51472102 is about 371.9837498201.

Adding to 51472102 its reverse (20127415), we get a palindrome (71599517).

The spelling of 51472102 in words is "fifty-one million, four hundred seventy-two thousand, one hundred two".

Divisors: 1 2 11 19 22 38 209 361 418 722 3971 6481 7942 12962 71291 123139 142582 246278 1354529 2339641 2709058 4679282 25736051 51472102