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75010080 = 253531712
BaseRepresentation
bin1000111100010…
…01000000100000
312020010220111010
410132021000200
5123200310310
611235420520
71600401165
oct436110040
9166126433
1075010080
1139383202
1221154740
1312704082
149d6806c
1568ba320
hex4789020

75010080 has 144 divisors (see below), whose sum is σ = 247387392. Its totient is φ = 19084800.

The previous prime is 75010057. The next prime is 75010087. The reversal of 75010080 is 8001057.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (75010087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1056445 + ... + 1056515.

It is an arithmetic number, because the mean of its divisors is an integer number (1717968).

Almost surely, 275010080 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 75010080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123693696).

75010080 is an abundant number, since it is smaller than the sum of its proper divisors (172377312).

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

75010080 is a wasteful number, since it uses less digits than its factorization.

75010080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 75010080 is about 8660.8359873629. The cubic root of 75010080 is about 421.7352246962.

The spelling of 75010080 in words is "seventy-five million, ten thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 71 80 93 96 120 124 142 155 160 186 213 240 248 284 310 355 372 426 465 480 496 568 620 710 744 852 930 992 1065 1136 1240 1420 1488 1704 1860 2130 2201 2272 2480 2840 2976 3408 3720 4260 4402 4960 5041 5680 6603 6816 7440 8520 8804 10082 11005 11360 13206 14880 15123 17040 17608 20164 22010 25205 26412 30246 33015 34080 35216 40328 44020 50410 52824 60492 66030 70432 75615 80656 88040 100820 105648 120984 132060 151230 156271 161312 176080 201640 211296 241968 264120 302460 312542 352160 403280 468813 483936 528240 604920 625084 781355 806560 937626 1056480 1209840 1250168 1562710 1875252 2344065 2419680 2500336 3125420 3750504 4688130 5000672 6250840 7501008 9376260 12501680 15002016 18752520 25003360 37505040 75010080