Search a number
-
+
1088539872 = 25378631877
BaseRepresentation
bin100000011100001…
…1100110011100000
32210212021112222120
41000320130303200
54212131233442
6300003104240
735655302430
oct10070346340
92725245876
101088539872
115094a8132
12264672080
1314469a644
14a47d82c0
15658704ec
hex40e1cce0

1088539872 has 96 divisors (see below), whose sum is σ = 3271145472. Its totient is φ = 310485504.

The previous prime is 1088539871. The next prime is 1088539891. The reversal of 1088539872 is 2789358801.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088539871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578998 + ... + 580874.

It is an arithmetic number, because the mean of its divisors is an integer number (34074432).

Almost surely, 21088539872 is an apocalyptic number.

1088539872 is a gapful number since it is divisible by the number (12) 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 1088539872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635572736).

1088539872 is an abundant number, since it is smaller than the sum of its proper divisors (2182605600).

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

1088539872 is a wasteful number, since it uses less digits than its factorization.

1088539872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2752 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 1088539872 is about 32993.0276270608. The cubic root of 1088539872 is about 1028.6827261399.

The spelling of 1088539872 in words is "one billion, eighty-eight million, five hundred thirty-nine thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 863 1726 1877 2589 3452 3754 5178 5631 6041 6904 7508 10356 11262 12082 13139 13808 15016 18123 20712 22524 24164 26278 27616 30032 36246 39417 41424 45048 48328 52556 60064 72492 78834 82848 90096 96656 105112 144984 157668 180192 193312 210224 289968 315336 420448 579936 630672 1261344 1619851 3239702 4859553 6479404 9719106 11338957 12958808 19438212 22677914 25917616 34016871 38876424 45355828 51835232 68033742 77752848 90711656 136067484 155505696 181423312 272134968 362846624 544269936 1088539872