Search a number
-
+
380061552 = 243134712959
BaseRepresentation
bin10110101001110…
…100011101110000
3222111011010102210
4112221310131300
51234243432202
6101414012120
712263320113
oct2651643560
9874133383
10380061552
11185597962
12a7347040
13609801c0
143869457a
1523575c6c
hex16a74770

380061552 has 80 divisors (see below), whose sum is σ = 1079930880. Its totient is φ = 114445056.

The previous prime is 380061551. The next prime is 380061611. The reversal of 380061552 is 255160083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380061551) 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, 22849 + ... + 35807.

It is an arithmetic number, because the mean of its divisors is an integer number (13499136).

Almost surely, 2380061552 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 380061552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539965440).

380061552 is an abundant number, since it is smaller than the sum of its proper divisors (699869328).

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

380061552 is a wasteful number, since it uses less digits than its factorization.

380061552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13030 (or 13024 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 380061552 is about 19495.1674011792. The cubic root of 380061552 is about 724.3547501947.

The spelling of 380061552 in words is "three hundred eighty million, sixty-one thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 47 48 52 78 94 104 141 156 188 208 282 312 376 564 611 624 752 1128 1222 1833 2256 2444 3666 4888 7332 9776 12959 14664 25918 29328 38877 51836 77754 103672 155508 168467 207344 311016 336934 505401 609073 622032 673868 1010802 1218146 1347736 1827219 2021604 2436292 2695472 3654438 4043208 4872584 7308876 7917949 8086416 9745168 14617752 15835898 23753847 29235504 31671796 47507694 63343592 95015388 126687184 190030776 380061552