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1028841216 = 28313103049
BaseRepresentation
bin111101010100101…
…101111100000000
32122200221112211020
4331110231330000
54101340404331
6250031345440
734332002034
oct7524557400
92580845736
101028841216
114888326a7
12248682280
131351c78b0
149a8d81c4
15604cbc96
hex3d52df00

1028841216 has 72 divisors (see below), whose sum is σ = 2948878800. Its totient is φ = 316563456.

The previous prime is 1028841211. The next prime is 1028841223. The reversal of 1028841216 is 6121488201.

1028841216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028841211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41541 + ... + 61508.

It is an arithmetic number, because the mean of its divisors is an integer number (40956650).

Almost surely, 21028841216 is an apocalyptic number.

1028841216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1028841216 is an abundant number, since it is smaller than the sum of its proper divisors (1920037584).

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

1028841216 is a wasteful number, since it uses less digits than its factorization.

1028841216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103081 (or 103067 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 1028841216 is about 32075.5548042431. The cubic root of 1028841216 is about 1009.5227677104.

The spelling of 1028841216 in words is "one billion, twenty-eight million, eight hundred forty-one thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 624 768 832 1248 1664 2496 3328 4992 9984 103049 206098 309147 412196 618294 824392 1236588 1339637 1648784 2473176 2679274 3297568 4018911 4946352 5358548 6595136 8037822 9892704 10717096 13190272 16075644 19785408 21434192 26380544 32151288 39570816 42868384 64302576 79141632 85736768 128605152 171473536 257210304 342947072 514420608 1028841216