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70090200 = 233252231693
BaseRepresentation
bin1000010110101…
…11110111011000
311212212221200100
410023113313120
5120420341300
610542135400
71510520415
oct413276730
9155787610
1070090200
1136622894
121b581560
13116a08bb
14944710c
156247700
hex42d7dd8

70090200 has 144 divisors (see below), whose sum is σ = 245765520. Its totient is φ = 17867520.

The previous prime is 70090127. The next prime is 70090213. The reversal of 70090200 is 209007.

It is a super-2 number, since 2×700902002 = 9825272272080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40554 + ... + 42246.

It is an arithmetic number, because the mean of its divisors is an integer number (1706705).

Almost surely, 270090200 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 70090200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122882760).

70090200 is an abundant number, since it is smaller than the sum of its proper divisors (175675320).

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

70090200 is a wasteful number, since it uses less digits than its factorization.

70090200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738 (or 1726 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 70090200 is about 8371.9890109818. The cubic root of 70090200 is about 412.3054730176.

Adding to 70090200 its reverse (209007), we get a palindrome (70299207).

The spelling of 70090200 in words is "seventy million, ninety thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 25 30 36 40 45 46 50 60 69 72 75 90 92 100 115 120 138 150 180 184 200 207 225 230 276 300 345 360 414 450 460 552 575 600 690 828 900 920 1035 1150 1380 1656 1693 1725 1800 2070 2300 2760 3386 3450 4140 4600 5079 5175 6772 6900 8280 8465 10158 10350 13544 13800 15237 16930 20316 20700 25395 30474 33860 38939 40632 41400 42325 50790 60948 67720 76185 77878 84650 101580 116817 121896 126975 152370 155756 169300 194695 203160 233634 253950 304740 311512 338600 350451 380925 389390 467268 507900 584085 609480 700902 761850 778780 934536 973475 1015800 1168170 1401804 1523700 1557560 1752255 1946950 2336340 2803608 2920425 3047400 3504510 3893900 4672680 5840850 7009020 7787800 8761275 11681700 14018040 17522550 23363400 35045100 70090200