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1028092248 = 233226354293
BaseRepresentation
bin111101010001110…
…111000101011000
32122122112111102200
4331101313011120
54101142422443
6250003330200
734322432331
oct7521670530
92578474380
101028092248
11488370a17
12248380960
13134cc4a11
149a781288
15603cedd3
hex3d477158

1028092248 has 48 divisors (see below), whose sum is σ = 2795055120. Its totient is φ = 341388096.

The previous prime is 1028092243. The next prime is 1028092267. The reversal of 1028092248 is 8422908201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028092243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8211 + ... + 46082.

It is an arithmetic number, because the mean of its divisors is an integer number (58230315).

Almost surely, 21028092248 is an apocalyptic number.

1028092248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1028092248 is an abundant number, since it is smaller than the sum of its proper divisors (1766962872).

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

1028092248 is a wasteful number, since it uses less digits than its factorization.

1028092248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54568 (or 54561 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1028092248 is about 32063.8776195269. The cubic root of 1028092248 is about 1009.2777400087.

The spelling of 1028092248 in words is "one billion, twenty-eight million, ninety-two thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 263 526 789 1052 1578 2104 2367 3156 4734 6312 9468 18936 54293 108586 162879 217172 325758 434344 488637 651516 977274 1303032 1954548 3909096 14279059 28558118 42837177 57116236 85674354 114232472 128511531 171348708 257023062 342697416 514046124 1028092248