Search a number
-
+
70841386 = 27112193171
BaseRepresentation
bin1000011100011…
…11010000101010
311221022010010001
410032033100222
5121113411021
611010213214
71520066440
oct416172052
9157263101
1070841386
1136a96200
121b88420a
13118a47a5
1495a0b90
156345091
hex438f42a

70841386 has 96 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 24948000.

The previous prime is 70841377. The next prime is 70841387. The reversal of 70841386 is 68314807.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70841387) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 997731 + ... + 997801.

It is an arithmetic number, because the mean of its divisors is an integer number (1532160).

Almost surely, 270841386 is an apocalyptic number.

70841386 is an abundant number, since it is smaller than the sum of its proper divisors (76245974).

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

70841386 is a wasteful number, since it uses less digits than its factorization.

70841386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 70841386 is about 8416.7325013927. The cubic root of 70841386 is about 413.7731921417.

The spelling of 70841386 in words is "seventy million, eight hundred forty-one thousand, three hundred eighty-six".

Divisors: 1 2 7 11 14 19 22 31 38 62 71 77 121 133 142 154 209 217 242 266 341 418 434 497 589 682 781 847 994 1178 1349 1463 1562 1694 2201 2299 2387 2698 2926 3751 4123 4402 4598 4774 5467 6479 7502 8246 8591 9443 10934 12958 14839 15407 16093 17182 18886 24211 26257 29678 30814 32186 41819 45353 48422 52514 60137 71269 83638 90706 103873 120274 142538 163229 169477 207746 266321 292733 326458 338954 460009 498883 532642 585466 920018 997766 1142603 1864247 2285206 3220063 3728494 5060099 6440126 10120198 35420693 70841386