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1008228872 = 237313891493
BaseRepresentation
bin111100000110000…
…101101000001000
32121021011100000002
4330012011220020
54031101310442
6244013502132
733661542530
oct7406055010
92537140002
101008228872
11478134302
122417a1948
13130b5b841
1497c904c0
155d7a9732
hex3c185a08

1008228872 has 64 divisors (see below), whose sum is σ = 2237414400. Its totient is φ = 416805120.

The previous prime is 1008228857. The next prime is 1008228887. The reversal of 1008228872 is 2788228001.

It is an interprime number because it is at equal distance from previous prime (1008228857) and next prime (1008228887).

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 15 ways as a sum of consecutive naturals, for example, 674558 + ... + 676050.

It is an arithmetic number, because the mean of its divisors is an integer number (34959600).

Almost surely, 21008228872 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 1008228872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118707200).

1008228872 is an abundant number, since it is smaller than the sum of its proper divisors (1229185528).

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

1008228872 is a wasteful number, since it uses less digits than its factorization.

1008228872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 1008228872 is about 31752.6199234016. The cubic root of 1008228872 is about 1002.7354677267.

The spelling of 1008228872 in words is "one billion, eight million, two hundred twenty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 389 434 778 868 1493 1556 1736 2723 2986 3112 5446 5972 10451 10892 11944 12059 20902 21784 24118 41804 46283 48236 83608 84413 92566 96472 168826 185132 323981 337652 370264 580777 647962 675304 1161554 1295924 2323108 2591848 4065439 4646216 8130878 16261756 18004087 32523512 36008174 72016348 126028609 144032696 252057218 504114436 1008228872