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228079564 = 22533383
BaseRepresentation
bin11011001100000…
…11011111001100
3120220011122100021
431212003133030
5431342021224
634344311524
75436433666
oct1546033714
9526148307
10228079564
11107821609
12644725a4
133833912b
1422411536
15150541e4
hexd9837cc

228079564 has 24 divisors (see below), whose sum is σ = 407877120. Its totient is φ = 111595952.

The previous prime is 228079561. The next prime is 228079571. The reversal of 228079564 is 465970822.

228079564 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

228079564 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 228079564.

It is not an unprimeable number, because it can be changed into a prime (228079561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595317 + ... + 595699.

It is an arithmetic number, because the mean of its divisors is an integer number (16994880).

Almost surely, 2228079564 is an apocalyptic number.

It is an amenable number.

228079564 is a deficient number, since it is larger than the sum of its proper divisors (179797556).

228079564 is an frugal number, since it uses more digits than its factorization.

228079564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 228079564 is about 15102.3032680449. The cubic root of 228079564 is about 610.9825283875.

The spelling of 228079564 in words is "two hundred twenty-eight million, seventy-nine thousand, five hundred sixty-four".

Divisors: 1 2 4 53 106 212 383 766 1532 2809 5618 11236 20299 40598 81196 148877 297754 595508 1075847 2151694 4303388 57019891 114039782 228079564