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57889950 = 2352419413
BaseRepresentation
bin1101110011010…
…1010010011110
311000221010002020
43130311102132
5104304434300
65424441010
71302025236
oct334652236
9130833066
1057889950
112a74a638
1217479166
13bcbb711
14798ccc6
1551378a0
hex373549e

57889950 has 48 divisors (see below), whose sum is σ = 147084336. Its totient is φ = 15059200.

The previous prime is 57889883. The next prime is 57889957. The reversal of 57889950 is 5998875.

It is a super-2 number, since 2×578899502 = 6702492622005000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57889893 and 57889902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57889957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1444 + ... + 10856.

It is an arithmetic number, because the mean of its divisors is an integer number (3064257).

Almost surely, 257889950 is an apocalyptic number.

57889950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57889950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73542168).

57889950 is an abundant number, since it is smaller than the sum of its proper divisors (89194386).

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

57889950 is a wasteful number, since it uses less digits than its factorization.

57889950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9469 (or 9464 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 51.

The square root of 57889950 is about 7608.5445388721. The cubic root of 57889950 is about 386.8426872323.

The spelling of 57889950 in words is "fifty-seven million, eight hundred eighty-nine thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 41 50 75 82 123 150 205 246 410 615 1025 1230 2050 3075 6150 9413 18826 28239 47065 56478 94130 141195 235325 282390 385933 470650 705975 771866 1157799 1411950 1929665 2315598 3859330 5788995 9648325 11577990 19296650 28944975 57889950