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305096064 = 2737138731
BaseRepresentation
bin10010001011110…
…110010110000000
3210021002111010020
4102023312112000
51111101033224
650135133440
710363162620
oct2213662600
9707074106
10305096064
11147245209
1286214280
134b293520
142c73c880
151bbb8c79
hex122f6580

305096064 has 128 divisors (see below), whose sum is σ = 997543680. Its totient is φ = 80455680.

The previous prime is 305096063. The next prime is 305096087. The reversal of 305096064 is 460690503.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305096063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30579 + ... + 39309.

It is an arithmetic number, because the mean of its divisors is an integer number (7793310).

Almost surely, 2305096064 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 305096064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498771840).

305096064 is an abundant number, since it is smaller than the sum of its proper divisors (692447616).

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

305096064 is a wasteful number, since it uses less digits than its factorization.

305096064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8768 (or 8756 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 305096064 is about 17466.9992843648. Note that the first 3 decimals coincide. The cubic root of 305096064 is about 673.2022130287.

The spelling of 305096064 in words is "three hundred five million, ninety-six thousand, sixty-four".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 128 156 168 182 192 208 224 273 312 336 364 384 416 448 546 624 672 728 832 896 1092 1248 1344 1456 1664 2184 2496 2688 2912 4368 4992 5824 8731 8736 11648 17462 17472 26193 34924 34944 52386 61117 69848 104772 113503 122234 139696 183351 209544 227006 244468 279392 340509 366702 419088 454012 488936 558784 681018 733404 794521 838176 908024 977872 1117568 1362036 1466808 1589042 1676352 1816048 1955744 2383563 2724072 2933616 3178084 3352704 3632096 3911488 4767126 5448144 5867232 6356168 7264192 7822976 9534252 10896288 11734464 12712336 14528384 19068504 21792576 23468928 25424672 38137008 43585152 50849344 76274016 101698688 152548032 305096064