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42928800 = 2535231577
BaseRepresentation
bin1010001111000…
…0101010100000
32222210000020120
42203300222200
541442210200
64132040240
71030613565
oct243605240
988700216
1042928800
1122261052
1212463080
138b80975
1459b686c
153b7e9a0
hex28f0aa0

42928800 has 144 divisors (see below), whose sum is σ = 144490752. Its totient is φ = 11059200.

The previous prime is 42928793. The next prime is 42928841. The reversal of 42928800 is 882924.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74112 + ... + 74688.

It is an arithmetic number, because the mean of its divisors is an integer number (1003408).

Almost surely, 242928800 is an apocalyptic number.

42928800 is a gapful number since it is divisible by the number (40) 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 42928800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72245376).

42928800 is an abundant number, since it is smaller than the sum of its proper divisors (101561952).

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

42928800 is a wasteful number, since it uses less digits than its factorization.

42928800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 42928800 is about 6552.0073260032. The cubic root of 42928800 is about 350.1463333680.

The spelling of 42928800 in words is "forty-two million, nine hundred twenty-eight thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 31 32 40 48 50 60 62 75 80 93 96 100 120 124 150 155 160 186 200 240 248 300 310 372 400 465 480 496 577 600 620 744 775 800 930 992 1154 1200 1240 1488 1550 1731 1860 2308 2325 2400 2480 2885 2976 3100 3462 3720 4616 4650 4960 5770 6200 6924 7440 8655 9232 9300 11540 12400 13848 14425 14880 17310 17887 18464 18600 23080 24800 27696 28850 34620 35774 37200 43275 46160 53661 55392 57700 69240 71548 74400 86550 89435 92320 107322 115400 138480 143096 173100 178870 214644 230800 268305 276960 286192 346200 357740 429288 447175 461600 536610 572384 692400 715480 858576 894350 1073220 1341525 1384800 1430960 1717152 1788700 2146440 2683050 2861920 3577400 4292880 5366100 7154800 8585760 10732200 14309600 21464400 42928800