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5249538 = 232761683
BaseRepresentation
bin10100000001101000000010
3100212201000100
4110001220002
52320441123
6304303230
762422530
oct24015002
910781010
105249538
112a66068
121911b16
13111a548
149a9150
156da643
hex501a02

5249538 has 48 divisors (see below), whose sum is σ = 13231296. Its totient is φ = 1473120.

The previous prime is 5249537. The next prime is 5249539. The reversal of 5249538 is 8359425.

It is an interprime number because it is at equal distance from previous prime (5249537) and next prime (5249539).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a d-powerful number, because it can be written as 58 + 220 + 42 + 93 + 59 + 313 + 86 .

It is not an unprimeable number, because it can be changed into a prime (5249537) 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, 7345 + ... + 8027.

It is an arithmetic number, because the mean of its divisors is an integer number (275652).

Almost surely, 25249538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5249538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6615648).

5249538 is an abundant number, since it is smaller than the sum of its proper divisors (7981758).

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

5249538 is a wasteful number, since it uses less digits than its factorization.

5249538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 756 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 5249538 is about 2291.1870285946. The cubic root of 5249538 is about 173.7962339224.

The spelling of 5249538 in words is "five million, two hundred forty-nine thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 61 63 122 126 183 366 427 549 683 854 1098 1281 1366 2049 2562 3843 4098 4781 6147 7686 9562 12294 14343 28686 41663 43029 83326 86058 124989 249978 291641 374967 583282 749934 874923 1749846 2624769 5249538