Search a number
-
+
385481976 = 233115412699
BaseRepresentation
bin10110111110011…
…111110011111000
3222212100111212020
4112332133303320
51242140410401
6102130114440
712360354105
oct2676376370
9885314766
10385481976
1118865a350
12a911ba20
1361b2a459
14392a5aac
1523c96d36
hex16f9fcf8

385481976 has 64 divisors (see below), whose sum is σ = 1053648000. Its totient is φ = 116553600.

The previous prime is 385481927. The next prime is 385481983. The reversal of 385481976 is 679184583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141475 + ... + 144173.

It is an arithmetic number, because the mean of its divisors is an integer number (16463250).

Almost surely, 2385481976 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 385481976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526824000).

385481976 is an abundant number, since it is smaller than the sum of its proper divisors (668166024).

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

385481976 is a wasteful number, since it uses less digits than its factorization.

385481976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260 (or 3256 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 385481976 is about 19633.6949146104. The cubic root of 385481976 is about 727.7820816576.

The spelling of 385481976 in words is "three hundred eighty-five million, four hundred eighty-one thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 541 1082 1623 2164 2699 3246 4328 5398 5951 6492 8097 10796 11902 12984 16194 17853 21592 23804 29689 32388 35706 47608 59378 64776 71412 89067 118756 142824 178134 237512 356268 712536 1460159 2920318 4380477 5840636 8760954 11681272 16061749 17521908 32123498 35043816 48185247 64246996 96370494 128493992 192740988 385481976