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382118144 = 281492649
BaseRepresentation
bin10110110001101…
…010100100000000
3222122000121112212
4112301222210000
51240310240034
6101530041252
712316644032
oct2661524400
9878017485
10382118144
11186772021
12a7b79228
1361220315
1438a6bc52
15238302ce
hex16c6a900

382118144 has 18 divisors (see below), whose sum is σ = 762744150. Its totient is φ = 191058944.

The previous prime is 382118141. The next prime is 382118147. The reversal of 382118144 is 441811283.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (382118141) and next prime (382118147).

It can be written as a sum of positive squares in only one way, i.e., 347449600 + 34668544 = 18640^2 + 5888^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 382118144.

It is not an unprimeable number, because it can be changed into a prime (382118141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746069 + ... + 746580.

It is an arithmetic number, because the mean of its divisors is an integer number (42374675).

Almost surely, 2382118144 is an apocalyptic number.

It is an amenable number.

382118144 is a deficient number, since it is larger than the sum of its proper divisors (380626006).

382118144 is an equidigital number, since it uses as much as digits as its factorization.

382118144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492665 (or 1492651 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 382118144 is about 19547.8424384892. The cubic root of 382118144 is about 725.6589452617.

The spelling of 382118144 in words is "three hundred eighty-two million, one hundred eighteen thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 256 1492649 2985298 5970596 11941192 23882384 47764768 95529536 191059072 382118144