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1025828356 = 227534631493
BaseRepresentation
bin111101001001001…
…110011000000100
32122111021110221211
4331021032120010
54100103001411
6245443021204
734264253140
oct7511163004
92574243854
101025828356
11487065033
1224766a804
131346b1437
149a352220
15600d4221
hex3d24e604

1025828356 has 48 divisors (see below), whose sum is σ = 2096285184. Its totient is φ = 430125696.

The previous prime is 1025828341. The next prime is 1025828383. The reversal of 1025828356 is 6538285201.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 686346 + ... + 687838.

It is an arithmetic number, because the mean of its divisors is an integer number (43672608).

Almost surely, 21025828356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025828356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1048142592).

1025828356 is an abundant number, since it is smaller than the sum of its proper divisors (1070456828).

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

1025828356 is a wasteful number, since it uses less digits than its factorization.

1025828356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1025828356 is about 32028.5553217750. Note that the first 3 decimals coincide. The cubic root of 1025828356 is about 1008.5363749549.

The spelling of 1025828356 in words is "one billion, twenty-five million, eight hundred twenty-eight thousand, three hundred fifty-six".

Divisors: 1 2 4 7 14 28 53 106 212 371 463 742 926 1484 1493 1852 2986 3241 5972 6482 10451 12964 20902 24539 41804 49078 79129 98156 158258 171773 316516 343546 553903 687092 691259 1107806 1382518 2215612 2765036 4838813 9677626 19355252 36636727 73273454 146546908 256457089 512914178 1025828356