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445030152 = 233747723
BaseRepresentation
bin11010100001101…
…001111100001000
31011000101212121020
4122201221330020
51402411431102
6112054312440
714012460000
oct3241517410
91130355536
10445030152
11209231816
12105058720
1371279868
1443167000
152910abbc
hex1a869f08

445030152 has 80 divisors (see below), whose sum is σ = 1298095440. Its totient is φ = 127135008.

The previous prime is 445030121. The next prime is 445030153. The reversal of 445030152 is 251030544.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (445030153) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 53763 + ... + 61485.

It is an arithmetic number, because the mean of its divisors is an integer number (16226193).

Almost surely, 2445030152 is an apocalyptic number.

445030152 is a gapful number since it is divisible by the number (42) 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 445030152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649047720).

445030152 is an abundant number, since it is smaller than the sum of its proper divisors (853065288).

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

445030152 is an equidigital number, since it uses as much as digits as its factorization.

445030152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7760 (or 7735 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 445030152 is about 21095.7377685636. The cubic root of 445030152 is about 763.4779151052.

Adding to 445030152 its reverse (251030544), we get a palindrome (696060696).

The spelling of 445030152 in words is "four hundred forty-five million, thirty thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 343 392 588 686 1029 1176 1372 2058 2401 2744 4116 4802 7203 7723 8232 9604 14406 15446 19208 23169 28812 30892 46338 54061 57624 61784 92676 108122 162183 185352 216244 324366 378427 432488 648732 756854 1135281 1297464 1513708 2270562 2648989 3027416 4541124 5297978 7946967 9082248 10595956 15893934 18542923 21191912 31787868 37085846 55628769 63575736 74171692 111257538 148343384 222515076 445030152