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425521230 = 23514184041
BaseRepresentation
bin11001010111001…
…111000001001110
31002122200201101120
4121113033001032
51332413134410
6110120221410
713354604451
oct3127170116
91078621346
10425521230
111a9217442
12ba60a866
136a208b14
1440729498
1527555570
hex195cf04e

425521230 has 16 divisors (see below), whose sum is σ = 1021251024. Its totient is φ = 113472320.

The previous prime is 425521223. The next prime is 425521231. The reversal of 425521230 is 32125524.

It is a self number, because there is not a number n which added to its sum of digits gives 425521230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425521231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7091991 + ... + 7092050.

It is an arithmetic number, because the mean of its divisors is an integer number (63828189).

Almost surely, 2425521230 is an apocalyptic number.

425521230 is an abundant number, since it is smaller than the sum of its proper divisors (595729794).

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

425521230 is a wasteful number, since it uses less digits than its factorization.

425521230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14184051.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 425521230 is about 20628.1659388323. The cubic root of 425521230 is about 752.1545336087.

Adding to 425521230 its reverse (32125524), we get a palindrome (457646754).

The spelling of 425521230 in words is "four hundred twenty-five million, five hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 14184041 28368082 42552123 70920205 85104246 141840410 212760615 425521230