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51950484 = 2235192997
BaseRepresentation
bin1100011000101…
…1001110010100
310121202100200000
43012023032110
5101244403414
65053251300
71200400065
oct306131624
9117670600
1051950484
1127363193
1215493b30
13a9bc141
146c8456c
154862b09
hex318b394

51950484 has 144 divisors (see below), whose sum is σ = 149822400. Its totient is φ = 15676416.

The previous prime is 51950477. The next prime is 51950497. The reversal of 51950484 is 48405915.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 535524 + ... + 535620.

Almost surely, 251950484 is an apocalyptic number.

51950484 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51950484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74911200).

51950484 is an abundant number, since it is smaller than the sum of its proper divisors (97871916).

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

51950484 is a wasteful number, since it uses less digits than its factorization.

51950484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 51950484 is about 7207.6684163466. The cubic root of 51950484 is about 373.1326043247.

The spelling of 51950484 in words is "fifty-one million, nine hundred fifty thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 19 27 29 36 38 54 57 58 76 81 87 97 108 114 116 162 171 174 194 228 243 261 291 324 342 348 388 486 513 522 551 582 684 783 873 972 1026 1044 1102 1164 1539 1566 1653 1746 1843 2052 2204 2349 2619 2813 3078 3132 3306 3492 3686 4617 4698 4959 5238 5529 5626 6156 6612 7047 7372 7857 8439 9234 9396 9918 10476 11058 11252 14094 14877 15714 16587 16878 18468 19836 22116 23571 25317 28188 29754 31428 33174 33756 44631 47142 49761 50634 53447 59508 66348 75951 89262 94284 99522 101268 106894 133893 149283 151902 160341 178524 199044 213788 227853 267786 298566 303804 320682 447849 455706 481023 535572 597132 641364 683559 895698 911412 962046 1367118 1443069 1791396 1924092 2734236 2886138 4329207 5772276 8658414 12987621 17316828 25975242 51950484