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70050120 = 2335789937
BaseRepresentation
bin1000010110011…
…10000101001000
311212210220200220
410023032011020
5120413100440
610541230040
71510262520
oct413160510
9155726626
1070050120
11365a5768
121b562320
131168859a
149436680
15623a8d0
hex42ce148

70050120 has 128 divisors (see below), whose sum is σ = 243129600. Its totient is φ = 15814656.

The previous prime is 70050089. The next prime is 70050121. The reversal of 70050120 is 2105007.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 70050120.

It is not an unprimeable number, because it can be changed into a prime (70050121) 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, 74292 + ... + 75228.

It is an arithmetic number, because the mean of its divisors is an integer number (1899450).

Almost surely, 270050120 is an apocalyptic number.

70050120 is a gapful number since it is divisible by the number (70) 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 70050120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121564800).

70050120 is an abundant number, since it is smaller than the sum of its proper divisors (173079480).

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

70050120 is a wasteful number, since it uses less digits than its factorization.

70050120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 70050120 is about 8369.5949722791. The cubic root of 70050120 is about 412.2268678571.

Adding to 70050120 its reverse (2105007), we get a palindrome (72155127).

The spelling of 70050120 in words is "seventy million, fifty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 89 105 120 140 168 178 210 267 280 356 420 445 534 623 712 840 890 937 1068 1246 1335 1780 1869 1874 2136 2492 2670 2811 3115 3560 3738 3748 4685 4984 5340 5622 6230 6559 7476 7496 9345 9370 10680 11244 12460 13118 14055 14952 18690 18740 19677 22488 24920 26236 28110 32795 37380 37480 39354 52472 56220 65590 74760 78708 83393 98385 112440 131180 157416 166786 196770 250179 262360 333572 393540 416965 500358 583751 667144 787080 833930 1000716 1167502 1250895 1667860 1751253 2001432 2335004 2501790 2918755 3335720 3502506 4670008 5003580 5837510 7005012 8756265 10007160 11675020 14010024 17512530 23350040 35025060 70050120