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42968024 = 231129113149
BaseRepresentation
bin1010001111101…
…0001111011000
32222212000001022
42203322033120
541444434044
64132542012
71031136131
oct243721730
988760038
1042968024
1122288570
1212481908
138b95788
1459c6c88
153b8b3ee
hex28fa3d8

42968024 has 64 divisors (see below), whose sum is σ = 92340000. Its totient is φ = 18565120.

The previous prime is 42968017. The next prime is 42968047. The reversal of 42968024 is 42086924.

42968024 = 23 + 33 + ... + 1143.

It is a Cunningham number, because it is equal to 65552-1.

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, 288302 + ... + 288450.

Almost surely, 242968024 is an apocalyptic number.

42968024 is a gapful number since it is divisible by the number (44) 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 42968024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46170000).

42968024 is an abundant number, since it is smaller than the sum of its proper divisors (49371976).

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

42968024 is a wasteful number, since it uses less digits than its factorization.

42968024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 42968024 is about 6554.9999237223. Note that the first 4 decimals coincide. The cubic root of 42968024 is about 350.2529436851.

The spelling of 42968024 in words is "forty-two million, nine hundred sixty-eight thousand, twenty-four".

Divisors: 1 2 4 8 11 22 29 44 58 88 113 116 149 226 232 298 319 452 596 638 904 1192 1243 1276 1639 2486 2552 3277 3278 4321 4972 6554 6556 8642 9944 13108 13112 16837 17284 26216 33674 34568 36047 47531 67348 72094 95062 134696 144188 185207 190124 288376 370414 380248 488273 740828 976546 1481656 1953092 3906184 5371003 10742006 21484012 42968024