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42680304 = 2433313187
BaseRepresentation
bin1010001011001…
…1111111110000
32222022101101000
42202303333300
541411232204
64122442000
71025530242
oct242637760
988271330
1042680304
1122101387
1212363300
138ac4824
145950092
153b31039
hex28b3ff0

42680304 has 80 divisors (see below), whose sum is σ = 126499840. Its totient is φ = 13763520.

The previous prime is 42680299. The next prime is 42680321. The reversal of 42680304 is 40308624.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11799 + ... + 14985.

It is an arithmetic number, because the mean of its divisors is an integer number (1581248).

Almost surely, 242680304 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 42680304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63249920).

42680304 is an abundant number, since it is smaller than the sum of its proper divisors (83819536).

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

42680304 is a wasteful number, since it uses less digits than its factorization.

42680304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235 (or 3223 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 42680304 is about 6533.0164549004. The cubic root of 42680304 is about 349.4694110162.

Adding to 42680304 its reverse (40308624), we get a palindrome (82988928).

The spelling of 42680304 in words is "forty-two million, six hundred eighty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 31 36 48 54 62 72 93 108 124 144 186 216 248 279 372 432 496 558 744 837 1116 1488 1674 2232 3187 3348 4464 6374 6696 9561 12748 13392 19122 25496 28683 38244 50992 57366 76488 86049 98797 114732 152976 172098 197594 229464 296391 344196 395188 458928 592782 688392 790376 889173 1185564 1376784 1580752 1778346 2371128 2667519 3556692 4742256 5335038 7113384 10670076 14226768 21340152 42680304