Search a number
-
+
1240482880 = 265713411039
BaseRepresentation
bin100100111110000…
…0100010001000000
310012110012001121101
41021330010101000
510020030423010
6323031504144
742511634110
oct11174042100
93173161541
101240482880
1158724716a
122a7528054
13169cc9a50
14baa6b040
1573d8573a
hex49f04440

1240482880 has 224 divisors, whose sum is σ = 3727825920. Its totient is φ = 382648320.

The previous prime is 1240482871. The next prime is 1240482883. The reversal of 1240482880 is 882840421.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (1240482883) 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, 1193401 + ... + 1194439.

It is an arithmetic number, because the mean of its divisors is an integer number (16642080).

Almost surely, 21240482880 is an apocalyptic number.

1240482880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240482880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1863912960).

1240482880 is an abundant number, since it is smaller than the sum of its proper divisors (2487343040).

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

1240482880 is a wasteful number, since it uses less digits than its factorization.

1240482880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 37.

The square root of 1240482880 is about 35220.4894912038. The cubic root of 1240482880 is about 1074.4765087736.

The spelling of 1240482880 in words is "one billion, two hundred forty million, four hundred eighty-two thousand, eight hundred eighty".