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2028854632 = 237612572311
BaseRepresentation
bin111100011101101…
…1101110101101000
312020101122111100011
41320323131311220
513123341322012
6533153221304
7101163660040
oct17073356550
95211574304
102028854632
11951265572
12487561834
1326443abcc
1415364a720
15bd1b21a7
hex78eddd68

2028854632 has 64 divisors (see below), whose sum is σ = 4437930240. Its totient is φ = 851558400.

The previous prime is 2028854623. The next prime is 2028854689. The reversal of 2028854632 is 2364588202.

It is a happy number.

It is a super-2 number, since 2×20288546322 = 8232502235575710848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876757 + ... + 879067.

It is an arithmetic number, because the mean of its divisors is an integer number (69342660).

Almost surely, 22028854632 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 2028854632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2218965120).

2028854632 is an abundant number, since it is smaller than the sum of its proper divisors (2409075608).

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

2028854632 is a wasteful number, since it uses less digits than its factorization.

2028854632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 2028854632 is about 45042.8088822178. The cubic root of 2028854632 is about 1265.9512354487.

The spelling of 2028854632 in words is "two billion, twenty-eight million, eight hundred fifty-four thousand, six hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 61 122 244 257 427 488 514 854 1028 1708 1799 2056 2311 3416 3598 4622 7196 9244 14392 15677 16177 18488 31354 32354 62708 64708 109739 125416 129416 140971 219478 281942 438956 563884 593927 877912 986797 1127768 1187854 1973594 2375708 3947188 4157489 4751416 7894376 8314978 16629956 33259912 36229547 72459094 144918188 253606829 289836376 507213658 1014427316 2028854632