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42880680 = 23325311383
BaseRepresentation
bin1010001110010…
…0111010101000
32222200120020100
42203210322220
541434140210
64131025400
71030323363
oct243447250
988616210
1042880680
1122228987
121243b260
138b64aab
1459a30da
153b705c0
hex28e4ea8

42880680 has 96 divisors (see below), whose sum is σ = 140175360. Its totient is φ = 11368320.

The previous prime is 42880679. The next prime is 42880697. The reversal of 42880680 is 8608824.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 111769 + ... + 112151.

It is an arithmetic number, because the mean of its divisors is an integer number (1460160).

Almost surely, 242880680 is an apocalyptic number.

42880680 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 42880680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70087680).

42880680 is an abundant number, since it is smaller than the sum of its proper divisors (97294680).

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

42880680 is a wasteful number, since it uses less digits than its factorization.

42880680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 42880680 is about 6548.3341393060. The cubic root of 42880680 is about 350.0154550998.

The spelling of 42880680 in words is "forty-two million, eight hundred eighty thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 311 360 383 622 766 933 1149 1244 1532 1555 1866 1915 2298 2488 2799 3064 3110 3447 3732 3830 4596 4665 5598 5745 6220 6894 7464 7660 9192 9330 11196 11490 12440 13788 13995 15320 17235 18660 22392 22980 27576 27990 34470 37320 45960 55980 68940 111960 119113 137880 238226 357339 476452 595565 714678 952904 1072017 1191130 1429356 1786695 2144034 2382260 2858712 3573390 4288068 4764520 5360085 7146780 8576136 10720170 14293560 21440340 42880680