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193225248 = 25323718133
BaseRepresentation
bin10111000010001…
…10001000100000
3111110120212012200
423201012020200
5343431201443
631101253200
74534246626
oct1341061040
9443525180
10193225248
119a085a97
1254864200
1331054788
141b93b516
1511e6bdd3
hexb846220

193225248 has 72 divisors (see below), whose sum is σ = 564366348. Its totient is φ = 62664192.

The previous prime is 193225243. The next prime is 193225259. The reversal of 193225248 is 842522391.

It is a happy number.

193225248 is a `hidden beast` number, since 193 + 225 + 248 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 186814224 + 6411024 = 13668^2 + 2532^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (193225243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1590 + ... + 19722.

Almost surely, 2193225248 is an apocalyptic number.

193225248 is a gapful number since it is divisible by the number (18) 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 193225248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282183174).

193225248 is an abundant number, since it is smaller than the sum of its proper divisors (371141100).

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

193225248 is a wasteful number, since it uses less digits than its factorization.

193225248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18186 (or 18175 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 193225248 is about 13900.5484783875. The cubic root of 193225248 is about 578.1243890444.

The spelling of 193225248 in words is "one hundred ninety-three million, two hundred twenty-five thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 37 48 72 74 96 111 144 148 222 288 296 333 444 592 666 888 1184 1332 1776 2664 3552 5328 10656 18133 36266 54399 72532 108798 145064 163197 217596 290128 326394 435192 580256 652788 670921 870384 1305576 1341842 1740768 2012763 2611152 2683684 4025526 5222304 5367368 6038289 8051052 10734736 12076578 16102104 21469472 24153156 32204208 48306312 64408416 96612624 193225248