Search a number
-
+
40080210 = 2353171607
BaseRepresentation
bin1001100011100…
…1001101010010
32210102021201020
42120321031102
540230031320
63551020310
7664450632
oct230711522
983367636
1040080210
1120695945
121150a696
1383c4201
1454746c2
1537ba940
hex2639352

40080210 has 64 divisors (see below), whose sum is σ = 100859904. Its totient is φ = 10180800.

The previous prime is 40080199. The next prime is 40080211. The reversal of 40080210 is 1208004.

40080210 = 1432 + 1442 + ... + 4972.

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 40080210.

It is not an unprimeable number, because it can be changed into a prime (40080211) 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, 65727 + ... + 66333.

It is an arithmetic number, because the mean of its divisors is an integer number (1575936).

Almost surely, 240080210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40080210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50429952).

40080210 is an abundant number, since it is smaller than the sum of its proper divisors (60779694).

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

40080210 is a wasteful number, since it uses less digits than its factorization.

40080210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 40080210 is about 6330.8933018967. The cubic root of 40080210 is about 342.2236319929.

Adding to 40080210 its reverse (1208004), we get a palindrome (41288214).

The spelling of 40080210 in words is "forty million, eighty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 31 62 71 93 142 155 186 213 310 355 426 465 607 710 930 1065 1214 1821 2130 2201 3035 3642 4402 6070 6603 9105 11005 13206 18210 18817 22010 33015 37634 43097 56451 66030 86194 94085 112902 129291 188170 215485 258582 282255 430970 564510 646455 1292910 1336007 2672014 4008021 6680035 8016042 13360070 20040105 40080210