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549829028 = 227173731219
BaseRepresentation
bin100000110001011…
…011100110100100
31102022121012122002
4200301123212210
52111224012103
6130320424432
716424320040
oct4061334644
91368535562
10549829028
11262400761
12134178118
1389bb0728
1453047020
153340c488
hex20c5b9a4

549829028 has 48 divisors (see below), whose sum is σ = 1195850880. Its totient is φ = 215778816.

The previous prime is 549829013. The next prime is 549829031. The reversal of 549829028 is 820928945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2003 + ... + 33221.

It is an arithmetic number, because the mean of its divisors is an integer number (24913560).

Almost surely, 2549829028 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 549829028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597925440).

549829028 is an abundant number, since it is smaller than the sum of its proper divisors (646021852).

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

549829028 is a wasteful number, since it uses less digits than its factorization.

549829028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31284 (or 31282 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 549829028 is about 23448.4333805054. The cubic root of 549829028 is about 819.2363642286.

The spelling of 549829028 in words is "five hundred forty-nine million, eight hundred twenty-nine thousand, twenty-eight".

Divisors: 1 2 4 7 14 17 28 34 37 68 74 119 148 238 259 476 518 629 1036 1258 2516 4403 8806 17612 31219 62438 124876 218533 437066 530723 874132 1061446 1155103 2122892 2310206 3715061 4620412 7430122 8085721 14860244 16171442 19636751 32342884 39273502 78547004 137457257 274914514 549829028