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385262496 = 25323493833
BaseRepresentation
bin10110111101101…
…010001110100000
3222211221100210100
4112331222032200
51242111344441
6102121302400
712355451163
oct2675521640
9884840710
10385262496
1118851a463
12a9034a00
1361a81598
1439249ada
1523c51cb6
hex16f6a3a0

385262496 has 72 divisors (see below), whose sum is σ = 1099016100. Its totient is φ = 128019456.

The previous prime is 385262473. The next prime is 385262497. The reversal of 385262496 is 694262583.

385262496 is a `hidden beast` number, since 38 + 526 + 2 + 4 + 96 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 384944400 + 318096 = 19620^2 + 564^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (385262497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98596 + ... + 102428.

Almost surely, 2385262496 is an apocalyptic number.

385262496 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385262496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549508050).

385262496 is an abundant number, since it is smaller than the sum of its proper divisors (713753604).

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

385262496 is a wasteful number, since it uses less digits than its factorization.

385262496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198 (or 4187 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 385262496 is about 19628.1047480392. The cubic root of 385262496 is about 727.6439308521.

The spelling of 385262496 in words is "three hundred eighty-five million, two hundred sixty-two thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 349 698 1047 1396 2094 2792 3141 3833 4188 5584 6282 7666 8376 11168 11499 12564 15332 16752 22998 25128 30664 33504 34497 45996 50256 61328 68994 91992 100512 122656 137988 183984 275976 367968 551952 1103904 1337717 2675434 4013151 5350868 8026302 10701736 12039453 16052604 21403472 24078906 32105208 42806944 48157812 64210416 96315624 128420832 192631248 385262496