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190725248 = 277247647
BaseRepresentation
bin10110101111000…
…11110010000000
3111021212211212002
423113203302000
5342311201443
630531523132
74504065200
oct1327436200
9437784762
10190725248
119872877a
1253a594a8
133068a89c
141b48a400
1511b262b8
hexb5e3c80

190725248 has 96 divisors (see below), whose sum is σ = 452096640. Its totient is φ = 79876608.

The previous prime is 190725247. The next prime is 190725259. The reversal of 190725248 is 842527091.

It is a super-2 number, since 2×1907252482 = 72752240449323008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190725247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294461 + ... + 295107.

It is an arithmetic number, because the mean of its divisors is an integer number (4709340).

Almost surely, 2190725248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190725248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226048320).

190725248 is an abundant number, since it is smaller than the sum of its proper divisors (261371392).

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

190725248 is an equidigital number, since it uses as much as digits as its factorization.

190725248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 190725248 is about 13810.3312052970. The cubic root of 190725248 is about 575.6202486598.

The spelling of 190725248 in words is "one hundred ninety million, seven hundred twenty-five thousand, two hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 47 49 56 64 94 98 112 128 188 196 224 329 376 392 448 647 658 752 784 896 1294 1316 1504 1568 2303 2588 2632 3008 3136 4529 4606 5176 5264 6016 6272 9058 9212 10352 10528 18116 18424 20704 21056 30409 31703 36232 36848 41408 42112 60818 63406 72464 73696 82816 121636 126812 144928 147392 212863 243272 253624 289856 294784 425726 486544 507248 579712 851452 973088 1014496 1490041 1702904 1946176 2028992 2980082 3405808 3892352 4057984 5960164 6811616 11920328 13623232 23840656 27246464 47681312 95362624 190725248