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5438550 = 2352132789
BaseRepresentation
bin10100101111110001010110
3101020022021210
4110233301112
52343013200
6312322250
764140555
oct24576126
911208253
105438550
113085077
1219a3386
1311855a0
14a17d9c
15726650
hex52fc56

5438550 has 48 divisors (see below), whose sum is σ = 14530320. Its totient is φ = 1338240.

The previous prime is 5438549. The next prime is 5438551. The reversal of 5438550 is 558345.

It is an interprime number because it is at equal distance from previous prime (5438549) and next prime (5438551).

It is a super-2 number, since 2×54385502 = 59155652205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438551) 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 23 ways as a sum of consecutive naturals, for example, 556 + ... + 3344.

It is an arithmetic number, because the mean of its divisors is an integer number (302715).

Almost surely, 25438550 is an apocalyptic number.

5438550 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 5438550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7265160).

5438550 is an abundant number, since it is smaller than the sum of its proper divisors (9091770).

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

5438550 is a wasteful number, since it uses less digits than its factorization.

5438550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2812 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 5438550 is about 2332.0698960366. The cubic root of 5438550 is about 175.8575595100.

The spelling of 5438550 in words is "five million, four hundred thirty-eight thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 130 150 195 325 390 650 975 1950 2789 5578 8367 13945 16734 27890 36257 41835 69725 72514 83670 108771 139450 181285 209175 217542 362570 418350 543855 906425 1087710 1812850 2719275 5438550