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42080688 = 24331359127
BaseRepresentation
bin1010000010000…
…1100110110000
32221011220212000
42200201212300
541233040223
64101534000
71020452136
oct240414660
987156760
1042080688
1121831931
1212114300
138944920
145835756
153a63543
hex28219b0

42080688 has 160 divisors (see below), whose sum is σ = 133324800. Its totient is φ = 12628224.

The previous prime is 42080683. The next prime is 42080699. The reversal of 42080688 is 88608024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42080683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331281 + ... + 331407.

It is an arithmetic number, because the mean of its divisors is an integer number (833280).

Almost surely, 242080688 is an apocalyptic number.

42080688 is a gapful number since it is divisible by the number (48) 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 42080688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66662400).

42080688 is an abundant number, since it is smaller than the sum of its proper divisors (91244112).

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

42080688 is a wasteful number, since it uses less digits than its factorization.

42080688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 204 counting only the distinct ones).

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

The square root of 42080688 is about 6486.9629257458. The cubic root of 42080688 is about 347.8251202183.

The spelling of 42080688 in words is "forty-two million, eighty thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 59 72 78 104 108 117 118 127 144 156 177 208 216 234 236 254 312 351 354 381 432 468 472 508 531 624 702 708 762 767 936 944 1016 1062 1143 1404 1416 1524 1534 1593 1651 1872 2032 2124 2286 2301 2808 2832 3048 3068 3186 3302 3429 4248 4572 4602 4953 5616 6096 6136 6372 6604 6858 6903 7493 8496 9144 9204 9906 12272 12744 13208 13716 13806 14859 14986 18288 18408 19812 20709 22479 25488 26416 27432 27612 29718 29972 36816 39624 41418 44577 44958 54864 55224 59436 59944 67437 79248 82836 89154 89916 97409 110448 118872 119888 134874 165672 178308 179832 194818 202311 237744 269748 292227 331344 356616 359664 389636 404622 539496 584454 713232 779272 809244 876681 1078992 1168908 1558544 1618488 1753362 2337816 2630043 3236976 3506724 4675632 5260086 7013448 10520172 14026896 21040344 42080688