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1916888088 = 2334117910883
BaseRepresentation
bin111001001000001…
…0110010000011000
311221120222000010010
41302100112100120
512411210404323
6514113321520
765334165003
oct16220262030
94846860103
101916888088
118a4040435
12455b662a0
1324719770b
1414282253a
15b3446c93
hex72416418

1916888088 has 64 divisors (see below), whose sum is σ = 4936982400. Its totient is φ = 619838720.

The previous prime is 1916888087. The next prime is 1916888123. The reversal of 1916888088 is 8808886191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916888087) by changing a digit.

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, 170695 + ... + 181577.

It is an arithmetic number, because the mean of its divisors is an integer number (77140350).

Almost surely, 21916888088 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 1916888088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2468491200).

1916888088 is an abundant number, since it is smaller than the sum of its proper divisors (3020094312).

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

1916888088 is a wasteful number, since it uses less digits than its factorization.

1916888088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112 (or 11108 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 57.

The square root of 1916888088 is about 43782.2805253450. The cubic root of 1916888088 is about 1242.2211507938.

The spelling of 1916888088 in words is "one billion, nine hundred sixteen million, eight hundred eighty-eight thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 41 82 123 164 179 246 328 358 492 537 716 984 1074 1432 2148 4296 7339 10883 14678 21766 22017 29356 32649 43532 44034 58712 65298 87064 88068 130596 176136 261192 446203 892406 1338609 1784812 1948057 2677218 3569624 3896114 5354436 5844171 7792228 10708872 11688342 15584456 23376684 46753368 79870337 159740674 239611011 319481348 479222022 638962696 958444044 1916888088