Search a number
-
+
1344750660 = 22345111723193
BaseRepresentation
bin101000000100111…
…0100010001000100
310110201101102010000
41100021310101010
510223224010120
6341234401300
745216122601
oct12011642104
93421342100
101344750660
11630093090
12316430230
131857a5c66
14ca84d6a8
157d0ce990
hex50274444

1344750660 has 480 divisors, whose sum is σ = 5110947072. Its totient is φ = 291962880.

The previous prime is 1344750647. The next prime is 1344750661. The reversal of 1344750660 is 660574431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1344750661) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 6967524 + ... + 6967716.

Almost surely, 21344750660 is an apocalyptic number.

1344750660 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 1344750660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555473536).

1344750660 is an abundant number, since it is smaller than the sum of its proper divisors (3766196412).

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

1344750660 is a wasteful number, since it uses less digits than its factorization.

1344750660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 1344750660 is about 36670.8420955942. The cubic root of 1344750660 is about 1103.7750900534.

The spelling of 1344750660 in words is "one billion, three hundred forty-four million, seven hundred fifty thousand, six hundred sixty".