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425306420 = 225711276173
BaseRepresentation
bin11001010110011…
…010100100110100
31002122021210201122
4121112122210310
51332334301140
6110111443112
713353021260
oct3126324464
91078253648
10425306420
111a9090010
12ba526498
136a162106
14406b10a0
1527511ab5
hex1959a934

425306420 has 48 divisors (see below), whose sum is σ = 1113533568. Its totient is φ = 132562560.

The previous prime is 425306411. The next prime is 425306423. The reversal of 425306420 is 24603524.

It is a self number, because there is not a number n which added to its sum of digits gives 425306420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425306423) 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, 136547 + ... + 139626.

It is an arithmetic number, because the mean of its divisors is an integer number (23198616).

Almost surely, 2425306420 is an apocalyptic number.

It is an amenable number.

425306420 is an abundant number, since it is smaller than the sum of its proper divisors (688227148).

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

425306420 is a wasteful number, since it uses less digits than its factorization.

425306420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276200 (or 276198 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 425306420 is about 20622.9585656375. The cubic root of 425306420 is about 752.0279457134.

Adding to 425306420 its reverse (24603524), we get a palindrome (449909944).

The spelling of 425306420 in words is "four hundred twenty-five million, three hundred six thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 276173 552346 1104692 1380865 1933211 2761730 3037903 3866422 5523460 6075806 7732844 9666055 12151612 15189515 19332110 21265321 30379030 38664220 42530642 60758060 85061284 106326605 212653210 425306420