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425015320 = 23520835101
BaseRepresentation
bin11001010101010…
…011100000011000
31002121202000102011
4121111103200120
51332300442240
6110101315304
713350366502
oct3125234030
91077660364
10425015320
111a8a01334
12ba405b34
136a08c772
1440636d72
15274a56ea
hex19553818

425015320 has 32 divisors (see below), whose sum is σ = 956931120. Its totient is φ = 169891200.

The previous prime is 425015287. The next prime is 425015323. The reversal of 425015320 is 23510524.

It is a junction number, because it is equal to n+sod(n) for n = 425015291 and 425015300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425015323) 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, 80770 + ... + 85870.

Almost surely, 2425015320 is an apocalyptic number.

425015320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425015320 is an abundant number, since it is smaller than the sum of its proper divisors (531915800).

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

425015320 is a wasteful number, since it uses less digits than its factorization.

425015320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195 (or 7191 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 425015320 is about 20615.8996893175. The cubic root of 425015320 is about 751.8563319552.

Adding to 425015320 its reverse (23510524), we get a palindrome (448525844).

The spelling of 425015320 in words is "four hundred twenty-five million, fifteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 2083 4166 5101 8332 10202 10415 16664 20404 20830 25505 40808 41660 51010 83320 102020 204040 10625383 21250766 42501532 53126915 85003064 106253830 212507660 425015320