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304050400 = 25525371101
BaseRepresentation
bin10010000111110…
…111000011100000
3210012010100201221
4102013313003200
51110314103100
650100504424
710351246213
oct2207670340
9705110657
10304050400
111466a0625
12859ab114
134acb85a4
142c54977a
151ba5e01a
hex121f70e0

304050400 has 144 divisors (see below), whose sum is σ = 774512928. Its totient is φ = 116480000.

The previous prime is 304050371. The next prime is 304050401. The reversal of 304050400 is 4050403.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304050401) 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 23 ways as a sum of consecutive naturals, for example, 3010350 + ... + 3010450.

It is an arithmetic number, because the mean of its divisors is an integer number (5378562).

Almost surely, 2304050400 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 304050400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387256464).

304050400 is an abundant number, since it is smaller than the sum of its proper divisors (470462528).

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

304050400 is a wasteful number, since it uses less digits than its factorization.

304050400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 304050400 is about 17437.0410333864. The cubic root of 304050400 is about 672.4322379820.

The spelling of 304050400 in words is "three hundred four million, fifty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 53 71 80 100 101 106 142 160 200 202 212 265 284 355 400 404 424 505 530 568 710 800 808 848 1010 1060 1136 1325 1420 1616 1696 1775 2020 2120 2272 2525 2650 2840 3232 3550 3763 4040 4240 5050 5300 5353 5680 7100 7171 7526 8080 8480 10100 10600 10706 11360 14200 14342 15052 16160 18815 20200 21200 21412 26765 28400 28684 30104 35855 37630 40400 42400 42824 53530 56800 57368 60208 71710 75260 80800 85648 94075 107060 114736 120416 133825 143420 150520 171296 179275 188150 214120 229472 267650 286840 301040 358550 376300 380063 428240 535300 573680 602080 717100 752600 760126 856480 1070600 1147360 1434200 1505200 1520252 1900315 2141200 2868400 3010400 3040504 3800630 4282400 5736800 6081008 7601260 9501575 12162016 15202520 19003150 30405040 38006300 60810080 76012600 152025200 304050400