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228979584 = 27321131759
BaseRepresentation
bin11011010010111…
…11001110000000
3120221212100221100
431221133032000
5432104321314
634415454400
75450202651
oct1551371600
9527770840
10228979584
11108286829
1264827400
13385929a2
14225a7528
1515180c09
hexda5f380

228979584 has 96 divisors (see below), whose sum is σ = 665121600. Its totient is φ = 75608064.

The previous prime is 228979577. The next prime is 228979591. The reversal of 228979584 is 485979822.

228979584 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228979577) and next prime (228979591).

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

It is a self number, because there is not a number n which added to its sum of digits gives 228979584.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129297 + ... + 131055.

It is an arithmetic number, because the mean of its divisors is an integer number (6928350).

Almost surely, 2228979584 is an apocalyptic number.

228979584 is a gapful number since it is divisible by the number (24) 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 228979584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332560800).

228979584 is an abundant number, since it is smaller than the sum of its proper divisors (436142016).

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

228979584 is a wasteful number, since it uses less digits than its factorization.

228979584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892 (or 1877 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 228979584 is about 15132.0713717587. The cubic root of 228979584 is about 611.7851353892.

The spelling of 228979584 in words is "two hundred twenty-eight million, nine hundred seventy-nine thousand, five hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 113 128 144 192 226 288 339 384 452 576 678 904 1017 1152 1356 1759 1808 2034 2712 3518 3616 4068 5277 5424 7036 7232 8136 10554 10848 14072 14464 15831 16272 21108 21696 28144 31662 32544 42216 43392 56288 63324 65088 84432 112576 126648 130176 168864 198767 225152 253296 337728 397534 506592 596301 675456 795068 1013184 1192602 1590136 1788903 2026368 2385204 3180272 3577806 4770408 6360544 7155612 9540816 12721088 14311224 19081632 25442176 28622448 38163264 57244896 76326528 114489792 228979584