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225484160 = 2751132029
BaseRepresentation
bin11010111000010…
…01110110000000
3120201021210010012
431130021312000
5430210443120
634212524052
75405404136
oct1534116600
9521253105
10225484160
11106309650
1263620628
133793a9a5
1421d37756
1514be01c5
hexd709d80

225484160 has 64 divisors (see below), whose sum is σ = 588070800. Its totient is φ = 81991680.

The previous prime is 225484159. The next prime is 225484169. The reversal of 225484160 is 61484522.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225484169) 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, 8975 + ... + 23054.

Almost surely, 2225484160 is an apocalyptic number.

225484160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225484160 is an abundant number, since it is smaller than the sum of its proper divisors (362586640).

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

225484160 is a wasteful number, since it uses less digits than its factorization.

225484160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32059 (or 32047 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 225484160 is about 15016.1299941097. The cubic root of 225484160 is about 608.6561475930.

The spelling of 225484160 in words is "two hundred twenty-five million, four hundred eighty-four thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 320 352 440 640 704 880 1408 1760 3520 7040 32029 64058 128116 160145 256232 320290 352319 512464 640580 704638 1024928 1281160 1409276 1761595 2049856 2562320 2818552 3523190 4099712 5124640 5637104 7046380 10249280 11274208 14092760 20498560 22548416 28185520 45096832 56371040 112742080 225484160