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330215425 = 52103128239
BaseRepresentation
bin10011101011101…
…011000000000001
3212000100200101221
4103223223000001
51134013343200
652433355041
711116533121
oct2353530001
9760320357
10330215425
1115a441811
1292708a81
1353549b57
1431bdac81
151decb91a
hex13aeb001

330215425 has 12 divisors (see below), whose sum is σ = 413445760. Its totient is φ = 261605520.

The previous prime is 330215423. The next prime is 330215443. The reversal of 330215425 is 524512033.

It is not a de Polignac number, because 330215425 - 21 = 330215423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 330215425.

It is not an unprimeable number, because it can be changed into a prime (330215423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61545 + ... + 66694.

Almost surely, 2330215425 is an apocalyptic number.

It is an amenable number.

330215425 is a deficient number, since it is larger than the sum of its proper divisors (83230335).

330215425 is a wasteful number, since it uses less digits than its factorization.

330215425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128352 (or 128347 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 330215425 is about 18171.8305351993. The cubic root of 330215425 is about 691.1926617995.

Adding to 330215425 its reverse (524512033), we get a palindrome (854727458).

The spelling of 330215425 in words is "three hundred thirty million, two hundred fifteen thousand, four hundred twenty-five".

Divisors: 1 5 25 103 515 2575 128239 641195 3205975 13208617 66043085 330215425