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5387550 = 235272733
BaseRepresentation
bin10100100011010100011110
3101010201022220
4110203110132
52334400200
6311250210
763536100
oct24432436
911121286
105387550
11304a823
121979966
1311682cc
14a03570
157164a0
hex52351e

5387550 has 72 divisors (see below), whose sum is σ = 15563736. Its totient is φ = 1229760.

The previous prime is 5387539. The next prime is 5387561. The reversal of 5387550 is 557835.

It is an interprime number because it is at equal distance from previous prime (5387539) and next prime (5387561).

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 35 ways as a sum of consecutive naturals, for example, 6984 + ... + 7716.

It is an arithmetic number, because the mean of its divisors is an integer number (216163).

Almost surely, 25387550 is an apocalyptic number.

5387550 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 5387550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7781868).

5387550 is an abundant number, since it is smaller than the sum of its proper divisors (10176186).

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

5387550 is a wasteful number, since it uses less digits than its factorization.

5387550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 5387550 is about 2321.1096484225. The cubic root of 5387550 is about 175.3061308339.

The spelling of 5387550 in words is "five million, three hundred eighty-seven thousand, five hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 49 50 70 75 98 105 147 150 175 210 245 294 350 490 525 733 735 1050 1225 1466 1470 2199 2450 3665 3675 4398 5131 7330 7350 10262 10995 15393 18325 21990 25655 30786 35917 36650 51310 54975 71834 76965 107751 109950 128275 153930 179585 215502 256550 359170 384825 538755 769650 897925 1077510 1795850 2693775 5387550