Search a number
-
+
241869780 = 22335447907
BaseRepresentation
bin11100110101010…
…10001111010100
3121212010020222000
432122222033110
5443404313110
640000035300
75664600465
oct1632521724
9555106860
10241869780
11114590389
1269002b30
133b156c19
14241a0d6c
151637a1c0
hexe6aa3d4

241869780 has 48 divisors (see below), whose sum is σ = 752485440. Its totient is φ = 64498464.

The previous prime is 241869751. The next prime is 241869787. The reversal of 241869780 is 87968142.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241869787) 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, 223414 + ... + 224493.

It is an arithmetic number, because the mean of its divisors is an integer number (15676780).

Almost surely, 2241869780 is an apocalyptic number.

241869780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241869780 is an abundant number, since it is smaller than the sum of its proper divisors (510615660).

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

241869780 is a wasteful number, since it uses less digits than its factorization.

241869780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447925 (or 447917 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 241869780 is about 15552.1631935882. The cubic root of 241869780 is about 623.0561729926.

The spelling of 241869780 in words is "two hundred forty-one million, eight hundred sixty-nine thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 447907 895814 1343721 1791628 2239535 2687442 4031163 4479070 5374884 6718605 8062326 8958140 12093489 13437210 16124652 20155815 24186978 26874420 40311630 48373956 60467445 80623260 120934890 241869780