Search a number
-
+
385358120 = 23572635233
BaseRepresentation
bin10110111110000…
…001100100101000
3222212010012221222
4112332001210220
51242122424440
6102123321212
712356330030
oct2676014450
9885105858
10385358120
11188585294
12a9080208
1361ab5c74
14392728c0
1523c702b5
hex16f81928

385358120 has 64 divisors (see below), whose sum is σ = 994878720. Its totient is φ = 131595264.

The previous prime is 385358111. The next prime is 385358143. The reversal of 385358120 is 21853583.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71024 + ... + 76256.

It is an arithmetic number, because the mean of its divisors is an integer number (15544980).

Almost surely, 2385358120 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 385358120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497439360).

385358120 is an abundant number, since it is smaller than the sum of its proper divisors (609520600).

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

385358120 is a wasteful number, since it uses less digits than its factorization.

385358120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514 (or 5510 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 385358120 is about 19630.5404917949. The cubic root of 385358120 is about 727.7041274437.

The spelling of 385358120 in words is "three hundred eighty-five million, three hundred fifty-eight thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 263 280 526 1052 1315 1841 2104 2630 3682 5233 5260 7364 9205 10466 10520 14728 18410 20932 26165 36631 36820 41864 52330 73262 73640 104660 146524 183155 209320 293048 366310 732620 1376279 1465240 2752558 5505116 6881395 9633953 11010232 13762790 19267906 27525580 38535812 48169765 55051160 77071624 96339530 192679060 385358120