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289519392 = 2539731091
BaseRepresentation
bin10001010000011…
…011011100100000
3202011210002221110
4101100123130200
51043104110032
644421223320
710113605601
oct2120333440
9664702843
10289519392
11139476228
1280b61b40
1347c9b566
142a645da8
151a63d7cc
hex1141b720

289519392 has 48 divisors (see below), whose sum is σ = 767848032. Its totient is φ = 95508480.

The previous prime is 289519381. The next prime is 289519393. The reversal of 289519392 is 293915982.

289519392 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (289519393) 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 7 ways as a sum of consecutive naturals, for example, 6234 + ... + 24857.

It is an arithmetic number, because the mean of its divisors is an integer number (15996834).

Almost surely, 2289519392 is an apocalyptic number.

It is an amenable number.

289519392 is an abundant number, since it is smaller than the sum of its proper divisors (478328640).

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

289519392 is a wasteful number, since it uses less digits than its factorization.

289519392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31201 (or 31193 counting only the distinct ones).

The product of its digits is 349920, while the sum is 48.

The square root of 289519392 is about 17015.2693778265. The cubic root of 289519392 is about 661.5447379915.

The spelling of 289519392 in words is "two hundred eighty-nine million, five hundred nineteen thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 97 194 291 388 582 776 1164 1552 2328 3104 4656 9312 31091 62182 93273 124364 186546 248728 373092 497456 746184 994912 1492368 2984736 3015827 6031654 9047481 12063308 18094962 24126616 36189924 48253232 72379848 96506464 144759696 289519392