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225510560 = 25511373463
BaseRepresentation
bin11010111000100…
…00010010100000
3120201100010022222
431130100102200
5430212314220
634213250212
75405544122
oct1534202240
9521303288
10225510560
11106327470
1263633968
1337949a02
1421d43212
1514be7e25
hexd7104a0

225510560 has 96 divisors (see below), whose sum is σ = 597082752. Its totient is φ = 79764480.

The previous prime is 225510557. The next prime is 225510587. The reversal of 225510560 is 65015522.

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, 63389 + ... + 66851.

It is an arithmetic number, because the mean of its divisors is an integer number (6219612).

Almost surely, 2225510560 is an apocalyptic number.

225510560 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 225510560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298541376).

225510560 is an abundant number, since it is smaller than the sum of its proper divisors (371572192).

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

225510560 is a wasteful number, since it uses less digits than its factorization.

225510560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526 (or 3518 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 225510560 is about 15017.0090231044. The cubic root of 225510560 is about 608.6799007696.

The spelling of 225510560 in words is "two hundred twenty-five million, five hundred ten thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 37 40 44 55 74 80 88 110 148 160 176 185 220 296 352 370 407 440 592 740 814 880 1184 1480 1628 1760 2035 2960 3256 3463 4070 5920 6512 6926 8140 13024 13852 16280 17315 27704 32560 34630 38093 55408 65120 69260 76186 110816 128131 138520 152372 190465 256262 277040 304744 380930 512524 554080 609488 640655 761860 1025048 1218976 1281310 1409441 1523720 2050096 2562620 2818882 3047440 4100192 5125240 5637764 6094880 7047205 10250480 11275528 14094410 20500960 22551056 28188820 45102112 56377640 112755280 225510560