Search a number
-
+
3944582544 = 243721155639
BaseRepresentation
bin1110101100011101…
…1000110110010000
3101011220102112222210
43223013120312100
531034303120134
61451230032120
7166515253440
oct35307306620
911156375883
103944582544
111744683281
12921048640
134ab2ba516
14295c4a120
1518147a2e9
hexeb1d8d90

3944582544 has 80 divisors (see below), whose sum is σ = 11701314560. Its totient is φ = 1121662080.

The previous prime is 3944582441. The next prime is 3944582549. The reversal of 3944582544 is 4452854493.

3944582544 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 3944582493 and 3944582502.

It is not an unprimeable number, because it can be changed into a prime (3944582549) 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, 43077 + ... + 98715.

It is an arithmetic number, because the mean of its divisors is an integer number (146266432).

Almost surely, 23944582544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3944582544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5850657280).

3944582544 is an abundant number, since it is smaller than the sum of its proper divisors (7756732016).

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

3944582544 is a wasteful number, since it uses less digits than its factorization.

3944582544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55868 (or 55862 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 48.

The square root of 3944582544 is about 62805.9116962727. The cubic root of 3944582544 is about 1580.0361237268.

The spelling of 3944582544 in words is "three billion, nine hundred forty-four million, five hundred eighty-two thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 211 336 422 633 844 1266 1477 1688 2532 2954 3376 4431 5064 5908 8862 10128 11816 17724 23632 35448 55639 70896 111278 166917 222556 333834 389473 445112 667668 778946 890224 1168419 1335336 1557892 2336838 2670672 3115784 4673676 6231568 9347352 11739829 18694704 23479658 35219487 46959316 70438974 82178803 93918632 140877948 164357606 187837264 246536409 281755896 328715212 493072818 563511792 657430424 986145636 1314860848 1972291272 3944582544