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305241424 = 2419077589
BaseRepresentation
bin10010001100011…
…001110101010000
3210021100212111221
4102030121311100
51111120211144
650142214424
710364336455
oct2214316520
9707325457
10305241424
11147334444
1286284414
134b314737
142c77982c
151bbe6d84
hex12319d50

305241424 has 10 divisors (see below), whose sum is σ = 591405290. Its totient is φ = 152620704.

The previous prime is 305241421. The next prime is 305241449. The reversal of 305241424 is 424142503.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 291043600 + 14197824 = 17060^2 + 3768^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305241421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9538779 + ... + 9538810.

It is an arithmetic number, because the mean of its divisors is an integer number (59140529).

Almost surely, 2305241424 is an apocalyptic number.

It is an amenable number.

305241424 is a deficient number, since it is larger than the sum of its proper divisors (286163866).

305241424 is a wasteful number, since it uses less digits than its factorization.

305241424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19077597 (or 19077591 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 305241424 is about 17471.1597783318. The cubic root of 305241424 is about 673.3091095643.

Adding to 305241424 its reverse (424142503), we get a palindrome (729383927).

The spelling of 305241424 in words is "three hundred five million, two hundred forty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 19077589 38155178 76310356 152620712 305241424