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1038890016 = 25332275297
BaseRepresentation
bin111101111011000…
…011010000100000
32200101212002012000
4331323003100200
54111423440031
6251031004000
734513263603
oct7573032040
92611762160
101038890016
1149347649a
1224bb09600
13137305728
149bd9233a
15613143e6
hex3dec3420

1038890016 has 96 divisors (see below), whose sum is σ = 3044018880. Its totient is φ = 344706048.

The previous prime is 1038889991. The next prime is 1038890051. The reversal of 1038890016 is 6100988301.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193480 + ... + 198776.

It is an arithmetic number, because the mean of its divisors is an integer number (31708530).

Almost surely, 21038890016 is an apocalyptic number.

1038890016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1038890016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522009440).

1038890016 is an abundant number, since it is smaller than the sum of its proper divisors (2005128864).

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

1038890016 is a wasteful number, since it uses less digits than its factorization.

1038890016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543 (or 5529 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1038890016 is about 32231.8168274765. The cubic root of 1038890016 is about 1012.7988297644.

The spelling of 1038890016 in words is "one billion, thirty-eight million, eight hundred ninety thousand, sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 227 288 432 454 681 864 908 1362 1816 2043 2724 3632 4086 5297 5448 6129 7264 8172 10594 10896 12258 15891 16344 21188 21792 24516 31782 32688 42376 47673 49032 63564 65376 84752 95346 98064 127128 143019 169504 190692 196128 254256 286038 381384 508512 572076 762768 1144152 1202419 1525536 2288304 2404838 3607257 4576608 4809676 7214514 9619352 10821771 14429028 19238704 21643542 28858056 32465313 38477408 43287084 57716112 64930626 86574168 115432224 129861252 173148336 259722504 346296672 519445008 1038890016