Search a number
-
+
383008940 = 225139311443
BaseRepresentation
bin10110110101000…
…100000010101100
3222200200212111022
4112311010002230
51241022241230
6102001113312
712330344066
oct2665040254
9880625438
10383008940
11187220316
12a8328838
1361472912
1438c20736
15239591e5
hex16d440ac

383008940 has 48 divisors (see below), whose sum is σ = 814544640. Its totient is φ = 151270080.

The previous prime is 383008939. The next prime is 383008981. The reversal of 383008940 is 49800383.

It is a self number, because there is not a number n which added to its sum of digits gives 383008940.

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, 864359 + ... + 864801.

It is an arithmetic number, because the mean of its divisors is an integer number (16969680).

Almost surely, 2383008940 is an apocalyptic number.

It is an amenable number.

383008940 is an abundant number, since it is smaller than the sum of its proper divisors (431535700).

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

383008940 is a wasteful number, since it uses less digits than its factorization.

383008940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 383008940 is about 19570.6141957783. The cubic root of 383008940 is about 726.2223944091. Note that the first 3 decimals are identical.

The spelling of 383008940 in words is "three hundred eighty-three million, eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 139 278 311 443 556 622 695 886 1244 1390 1555 1772 2215 2780 3110 4430 6220 8860 43229 61577 86458 123154 137773 172916 216145 246308 275546 307885 432290 551092 615770 688865 864580 1231540 1377730 2755460 19150447 38300894 76601788 95752235 191504470 383008940