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70116240 = 24351971483
BaseRepresentation
bin1000010110111…
…10001110010000
311212221021101210
410023132032100
5120422204430
610542500120
71510656345
oct413361620
9155837353
1070116240
1136640407
121b594640
13116ac6cc
1494527cc
1562502b0
hex42de390

70116240 has 80 divisors (see below), whose sum is σ = 218611008. Its totient is φ = 18590208.

The previous prime is 70116227. The next prime is 70116283. The reversal of 70116240 is 4261107.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×701162402 = 9832574223475200, which contains 22 as substring.

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, 46539 + ... + 48021.

Almost surely, 270116240 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 70116240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109305504).

70116240 is an abundant number, since it is smaller than the sum of its proper divisors (148494768).

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

70116240 is a wasteful number, since it uses less digits than its factorization.

70116240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 70116240 is about 8373.5440525503. The cubic root of 70116240 is about 412.3565267797.

Adding to 70116240 its reverse (4261107), we get a palindrome (74377347).

The spelling of 70116240 in words is "seventy million, one hundred sixteen thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 197 240 394 591 788 985 1182 1483 1576 1970 2364 2955 2966 3152 3940 4449 4728 5910 5932 7415 7880 8898 9456 11820 11864 14830 15760 17796 22245 23640 23728 29660 35592 44490 47280 59320 71184 88980 118640 177960 292151 355920 584302 876453 1168604 1460755 1752906 2337208 2921510 3505812 4382265 4674416 5843020 7011624 8764530 11686040 14023248 17529060 23372080 35058120 70116240