Search a number
-
+
90141370 = 25112234179
BaseRepresentation
bin1010101111101…
…11001010111010
320021121122201021
411113313022322
5141034010440
612540013054
72143121554
oct527671272
9207548637
1090141370
1146978600
122623118a
13158a13b7
14bd864d4
157da884a
hex55f72ba

90141370 has 96 divisors (see below), whose sum is σ = 193052160. Its totient is φ = 30201600.

The previous prime is 90141353. The next prime is 90141371. The reversal of 90141370 is 7314109.

It is not an unprimeable number, because it can be changed into a prime (90141371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1140991 + ... + 1141069.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 290141370 is an apocalyptic number.

90141370 is an abundant number, since it is smaller than the sum of its proper divisors (102910790).

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

90141370 is a wasteful number, since it uses less digits than its factorization.

90141370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 90141370 is about 9494.2809101058. The cubic root of 90141370 is about 448.3749949384.

Adding to 90141370 its reverse (7314109), we get a palindrome (97455479).

The spelling of 90141370 in words is "ninety million, one hundred forty-one thousand, three hundred seventy".

Divisors: 1 2 5 10 11 22 23 41 46 55 79 82 110 115 121 158 205 230 242 253 395 410 451 506 605 790 869 902 943 1210 1265 1738 1817 1886 2255 2530 2783 3239 3634 4345 4510 4715 4961 5566 6478 8690 9085 9430 9559 9922 10373 13915 16195 18170 19118 19987 20746 24805 27830 32390 35629 39974 47795 49610 51865 71258 74497 95590 99935 103730 114103 148994 178145 199870 219857 228206 356290 372485 391919 439714 570515 744970 783838 819467 1099285 1141030 1638934 1959595 2198570 3919190 4097335 8194670 9014137 18028274 45070685 90141370