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1442241304 = 237218120327
BaseRepresentation
bin101010111110110…
…1101101100011000
310201111211110010121
41111331231230120
510423203210204
6355040123024
750511564100
oct12575555430
93644743117
101442241304
11680120269
12343006474
1319ca4b52a
14d978a200
158693ab54
hex55f6db18

1442241304 has 48 divisors (see below), whose sum is σ = 3163240080. Its totient is φ = 614658240.

The previous prime is 1442241277. The next prime is 1442241323. The reversal of 1442241304 is 4031422441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60789 + ... + 81115.

It is an arithmetic number, because the mean of its divisors is an integer number (65900835).

Almost surely, 21442241304 is an apocalyptic number.

1442241304 is a gapful number since it is divisible by the number (14) 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 1442241304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1581620040).

1442241304 is an abundant number, since it is smaller than the sum of its proper divisors (1720998776).

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

1442241304 is a wasteful number, since it uses less digits than its factorization.

1442241304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20528 (or 20517 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1442241304 is about 37976.8522128941. The cubic root of 1442241304 is about 1129.8288053495.

Adding to 1442241304 its reverse (4031422441), we get a palindrome (5473663745).

The spelling of 1442241304 in words is "one billion, four hundred forty-two million, two hundred forty-one thousand, three hundred four".

Divisors: 1 2 4 7 8 14 28 49 56 98 181 196 362 392 724 1267 1448 2534 5068 8869 10136 17738 20327 35476 40654 70952 81308 142289 162616 284578 569156 996023 1138312 1992046 3679187 3984092 7358374 7968184 14716748 25754309 29433496 51508618 103017236 180280163 206034472 360560326 721120652 1442241304