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50800890 = 2357475147
BaseRepresentation
bin1100000111001…
…0100011111010
310112120221201110
43001302203322
5101001112030
65012501150
71154541360
oct301624372
9115527643
1050800890
1126748508
121501a7b6
13a6a8aca
146a65630
1546d71b0
hex30728fa

50800890 has 64 divisors (see below), whose sum is σ = 142331904. Its totient is φ = 11362368.

The previous prime is 50800873. The next prime is 50800891. The reversal of 50800890 is 9800805.

50800890 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 (30).

It is not an unprimeable number, because it can be changed into a prime (50800891) 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 31 ways as a sum of consecutive naturals, for example, 7297 + ... + 12443.

It is an arithmetic number, because the mean of its divisors is an integer number (2223936).

Almost surely, 250800890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50800890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71165952).

50800890 is an abundant number, since it is smaller than the sum of its proper divisors (91531014).

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

50800890 is a wasteful number, since it uses less digits than its factorization.

50800890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5211.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 50800890 is about 7127.4743072143. The cubic root of 50800890 is about 370.3597426420.

The spelling of 50800890 in words is "fifty million, eight hundred thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 47 70 94 105 141 210 235 282 329 470 658 705 987 1410 1645 1974 3290 4935 5147 9870 10294 15441 25735 30882 36029 51470 72058 77205 108087 154410 180145 216174 241909 360290 483818 540435 725727 1080870 1209545 1451454 1693363 2419090 3386726 3628635 5080089 7257270 8466815 10160178 16933630 25400445 50800890