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425020330 = 25713146349
BaseRepresentation
bin11001010101010…
…100101110101010
31002121202021021201
4121111110232222
51332301122310
6110101354414
713350420220
oct3125245652
91077667251
10425020330
111a8a05079
12ba408a0a
136a091b27
1440638b10
15274a6e3a
hex19554baa

425020330 has 32 divisors (see below), whose sum is σ = 881020800. Its totient is φ = 144605760.

The previous prime is 425020319. The next prime is 425020339. The reversal of 425020330 is 33020524.

It is a junction number, because it is equal to n+sod(n) for n = 425020298 and 425020307.

It is not an unprimeable number, because it can be changed into a prime (425020339) 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, 14005 + ... + 32344.

It is an arithmetic number, because the mean of its divisors is an integer number (27531900).

Almost surely, 2425020330 is an apocalyptic number.

425020330 is an abundant number, since it is smaller than the sum of its proper divisors (456000470).

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

425020330 is a wasteful number, since it uses less digits than its factorization.

425020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46494.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 425020330 is about 20616.0211971175. The cubic root of 425020330 is about 751.8592861902.

Adding to 425020330 its reverse (33020524), we get a palindrome (458040854).

The spelling of 425020330 in words is "four hundred twenty-five million, twenty thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 131 262 655 917 1310 1834 4585 9170 46349 92698 231745 324443 463490 648886 1622215 3244430 6071719 12143438 30358595 42502033 60717190 85004066 212510165 425020330