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304135601 = 72112324533
BaseRepresentation
bin10010001000001…
…011110110110001
3210012021200121112
4102020023312301
51110324314401
650102403105
710352052500
oct2210136661
9705250545
10304135601
11146749640
1285a30495
134b0182c3
142c56c837
151ba793bb
hex1220bdb1

304135601 has 24 divisors (see below), whose sum is σ = 402750144. Its totient is φ = 226675680.

The previous prime is 304135589. The next prime is 304135609. The reversal of 304135601 is 106531403.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-304135601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304135609) 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, 131 + ... + 24663.

It is an arithmetic number, because the mean of its divisors is an integer number (16781256).

Almost surely, 2304135601 is an apocalyptic number.

It is an amenable number.

304135601 is a deficient number, since it is larger than the sum of its proper divisors (98614543).

304135601 is a wasteful number, since it uses less digits than its factorization.

304135601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24581 (or 24574 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 304135601 is about 17439.4839659894. The cubic root of 304135601 is about 672.4950417677.

The spelling of 304135601 in words is "three hundred four million, one hundred thirty-five thousand, six hundred one".

Divisors: 1 7 11 23 49 77 161 253 539 1127 1771 12397 24533 171731 269863 564259 1202117 1889041 3949813 6206849 13223287 27648691 43447943 304135601