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304464416 = 25371371877
BaseRepresentation
bin10010001001011…
…100001000100000
3210012220101122212
4102021130020200
51110420330131
650113421252
710354622234
oct2211341040
9705811585
10304464416
11146953693
1285b6a828
134b101b79
142c6165c4
151bae1a2b
hex1225c220

304464416 has 48 divisors (see below), whose sum is σ = 620438616. Its totient is φ = 146958336.

The previous prime is 304464403. The next prime is 304464421. The reversal of 304464416 is 614464403.

It can be written as a sum of positive squares in 4 ways, for example, as 303456400 + 1008016 = 17420^2 + 1004^2 .

It is a super-2 number, since 2×3044644162 = 185397161220442112, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161270 + ... + 163146.

Almost surely, 2304464416 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 304464416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310219308).

304464416 is an abundant number, since it is smaller than the sum of its proper divisors (315974200).

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

304464416 is a wasteful number, since it uses less digits than its factorization.

304464416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 304464416 is about 17448.9087337862. The cubic root of 304464416 is about 672.7373095964.

The spelling of 304464416 in words is "three hundred four million, four hundred sixty-four thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 32 37 74 137 148 274 296 548 592 1096 1184 1877 2192 3754 4384 5069 7508 10138 15016 20276 30032 40552 60064 69449 81104 138898 162208 257149 277796 514298 555592 1028596 1111184 2057192 2222368 4114384 8228768 9514513 19029026 38058052 76116104 152232208 304464416