Search a number
-
+
103305660 = 22351990619
BaseRepresentation
bin1100010100001…
…01000110111100
321012101110201120
412022011012330
5202421240120
614130110540
72363040453
oct612050674
9235343646
10103305660
115334a087
122a71b450
1318530313
14da11b9a
159109140
hex62851bc

103305660 has 48 divisors (see below), whose sum is σ = 304483200. Its totient is φ = 26097984.

The previous prime is 103305659. The next prime is 103305667. The reversal of 103305660 is 66503301.

It is a self number, because there is not a number n which added to its sum of digits gives 103305660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103305667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44170 + ... + 46449.

It is an arithmetic number, because the mean of its divisors is an integer number (6343400).

Almost surely, 2103305660 is an apocalyptic number.

103305660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103305660 is an abundant number, since it is smaller than the sum of its proper divisors (201177540).

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

103305660 is a wasteful number, since it uses less digits than its factorization.

103305660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90650 (or 90648 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 103305660 is about 10163.9391969846. The cubic root of 103305660 is about 469.2180448592.

Adding to 103305660 its reverse (66503301), we get a palindrome (169808961).

The spelling of 103305660 in words is "one hundred three million, three hundred five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 90619 181238 271857 362476 453095 543714 906190 1087428 1359285 1721761 1812380 2718570 3443522 5165283 5437140 6887044 8608805 10330566 17217610 20661132 25826415 34435220 51652830 103305660