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50636430 = 232513113383
BaseRepresentation
bin1100000100101…
…0011010001110
310112021121010100
43001022122032
5100430331210
65005151530
71153255035
oct301123216
9115247110
1050636430
1126645999
1214b5b5a6
13a64bcb0
146a2171c
1546a35c0
hex304a68e

50636430 has 96 divisors (see below), whose sum is σ = 143410176. Its totient is φ = 12321792.

The previous prime is 50636429. The next prime is 50636441. The reversal of 50636430 is 3463605.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50636394 and 50636403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132019 + ... + 132401.

It is an arithmetic number, because the mean of its divisors is an integer number (1493856).

Almost surely, 250636430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50636430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71705088).

50636430 is an abundant number, since it is smaller than the sum of its proper divisors (92773746).

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

50636430 is a wasteful number, since it uses less digits than its factorization.

50636430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 50636430 is about 7115.9279085724. The cubic root of 50636430 is about 369.9596498486.

The spelling of 50636430 in words is "fifty million, six hundred thirty-six thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 113 117 130 195 226 234 339 383 390 565 585 678 766 1017 1130 1149 1170 1469 1695 1915 2034 2298 2938 3390 3447 3830 4407 4979 5085 5745 6894 7345 8814 9958 10170 11490 13221 14690 14937 17235 22035 24895 26442 29874 34470 43279 44070 44811 49790 66105 74685 86558 89622 129837 132210 149370 216395 224055 259674 389511 432790 448110 562627 649185 779022 1125254 1298370 1687881 1947555 2813135 3375762 3895110 5063643 5626270 8439405 10127286 16878810 25318215 50636430