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425320254 = 23337212873
BaseRepresentation
bin11001010110011…
…101111100111110
31002122022111201000
4121112131330332
51332340222004
6110112031130
713353106512
oct3126357476
91078274630
10425320254
111a909a447
12ba5324a6
136a1684b8
14406b6142
1527515c39
hex1959df3e

425320254 has 32 divisors (see below), whose sum is σ = 970705440. Its totient is φ = 137941056.

The previous prime is 425320241. The next prime is 425320261. The reversal of 425320254 is 452023524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104439 + ... + 108434.

It is an arithmetic number, because the mean of its divisors is an integer number (30334545).

Almost surely, 2425320254 is an apocalyptic number.

425320254 is an abundant number, since it is smaller than the sum of its proper divisors (545385186).

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

425320254 is a wasteful number, since it uses less digits than its factorization.

425320254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212921 (or 212915 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 425320254 is about 20623.2939658048. The cubic root of 425320254 is about 752.0360993969.

Adding to 425320254 its reverse (452023524), we get a palindrome (877343778).

The spelling of 425320254 in words is "four hundred twenty-five million, three hundred twenty thousand, two hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 37 54 74 111 222 333 666 999 1998 212873 425746 638619 1277238 1915857 3831714 5747571 7876301 11495142 15752602 23628903 47257806 70886709 141773418 212660127 425320254