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305228046 = 23193186369
BaseRepresentation
bin10010001100010…
…110100100001110
3210021100012011110
4102030112210032
51111114244141
650142032450
710364252454
oct2214264416
9707305143
10305228046
11147325392
1286278726
134b30b616
142c7749d4
151bbe2e16
hex1231690e

305228046 has 32 divisors (see below), whose sum is σ = 663321600. Its totient is φ = 93277440.

The previous prime is 305228041. The next prime is 305228051. The reversal of 305228046 is 640822503.

It is an interprime number because it is at equal distance from previous prime (305228041) and next prime (305228051).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305228041) 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, 39651 + ... + 46718.

It is an arithmetic number, because the mean of its divisors is an integer number (20728800).

Almost surely, 2305228046 is an apocalyptic number.

305228046 is an abundant number, since it is smaller than the sum of its proper divisors (358093554).

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

305228046 is a wasteful number, since it uses less digits than its factorization.

305228046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86424.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 305228046 is about 17470.7769146080. The cubic root of 305228046 is about 673.2992729125.

The spelling of 305228046 in words is "three hundred five million, two hundred twenty-eight thousand, forty-six".

Divisors: 1 2 3 6 19 31 38 57 62 93 114 186 589 1178 1767 3534 86369 172738 259107 518214 1641011 2677439 3282022 4923033 5354878 8032317 9846066 16064634 50871341 101742682 152614023 305228046