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51050104 = 2375915451
BaseRepresentation
bin1100001010111…
…1011001111000
310120001121120121
43002233121320
5101032100404
65022103024
71156630060
oct302573170
9116047517
1051050104
11268a8776
121511aa74
13a765381
146acc3a0
154735e54
hex30af678

51050104 has 32 divisors (see below), whose sum is σ = 111254400. Its totient is φ = 21506400.

The previous prime is 51050101. The next prime is 51050143. The reversal of 51050104 is 40105015.

It is a happy number.

It is a super-2 number, since 2×510501042 = 5212226236821632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51050101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4422 + ... + 11029.

It is an arithmetic number, because the mean of its divisors is an integer number (3476700).

Almost surely, 251050104 is an apocalyptic number.

It is an amenable number.

51050104 is an abundant number, since it is smaller than the sum of its proper divisors (60204296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51050104 is a wasteful number, since it uses less digits than its factorization.

51050104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15523 (or 15519 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 51050104 is about 7144.9355490445. The cubic root of 51050104 is about 370.9643797702.

Adding to 51050104 its reverse (40105015), we get a palindrome (91155119).

The spelling of 51050104 in words is "fifty-one million, fifty thousand, one hundred four".

Divisors: 1 2 4 7 8 14 28 56 59 118 236 413 472 826 1652 3304 15451 30902 61804 108157 123608 216314 432628 865256 911609 1823218 3646436 6381263 7292872 12762526 25525052 51050104