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225035040 = 25353791237
BaseRepresentation
bin11010110100111…
…00001100100000
3120200102222001010
431122130030200
5430102110130
634155140520
75401523556
oct1532341440
9520388033
10225035040
1110603217a
1263444740
1337811439
1421c5bbd6
1514b520b0
hexd69c320

225035040 has 96 divisors (see below), whose sum is σ = 711305280. Its totient is φ = 59802624.

The previous prime is 225035033. The next prime is 225035071. The reversal of 225035040 is 40530522.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 225034998 and 225035016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181302 + ... + 182538.

It is an arithmetic number, because the mean of its divisors is an integer number (7409430).

Almost surely, 2225035040 is an apocalyptic number.

225035040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225035040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355652640).

225035040 is an abundant number, since it is smaller than the sum of its proper divisors (486270240).

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

225035040 is a wasteful number, since it uses less digits than its factorization.

225035040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 225035040 is about 15001.1679545294. The cubic root of 225035040 is about 608.2517713048.

Adding to 225035040 its reverse (40530522), we get a palindrome (265565562).

The spelling of 225035040 in words is "two hundred twenty-five million, thirty-five thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 379 480 758 1137 1237 1516 1895 2274 2474 3032 3711 3790 4548 4948 5685 6064 6185 7422 7580 9096 9896 11370 12128 12370 14844 15160 18192 18555 19792 22740 24740 29688 30320 36384 37110 39584 45480 49480 59376 60640 74220 90960 98960 118752 148440 181920 197920 296880 468823 593760 937646 1406469 1875292 2344115 2812938 3750584 4688230 5625876 7032345 7501168 9376460 11251752 14064690 15002336 18752920 22503504 28129380 37505840 45007008 56258760 75011680 112517520 225035040