Search a number
-
+
190525608 = 2336713359
BaseRepresentation
bin10110101101100…
…11000010101000
3111021111201000000
423112303002220
5342233304413
630523343000
74502304150
oct1326630250
9437451000
10190525608
1198601789
1253981a60
133061aa60
141b437760
1511ad7073
hexb5b30a8

190525608 has 224 divisors, whose sum is σ = 661046400. Its totient is φ = 50108544.

The previous prime is 190525607. The next prime is 190525633. The reversal of 190525608 is 806525091.

It is a happy number.

190525608 is a `hidden beast` number, since 1 + 90 + 5 + 2 + 560 + 8 = 666.

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 (190525607) 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 55 ways as a sum of consecutive naturals, for example, 530533 + ... + 530891.

It is an arithmetic number, because the mean of its divisors is an integer number (2951100).

Almost surely, 2190525608 is an apocalyptic number.

190525608 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 190525608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330523200).

190525608 is an abundant number, since it is smaller than the sum of its proper divisors (470520792).

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

190525608 is a wasteful number, since it uses less digits than its factorization.

190525608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 190525608 is about 13803.1013906296. The cubic root of 190525608 is about 575.4193367074.

The spelling of 190525608 in words is "one hundred ninety million, five hundred twenty-five thousand, six hundred eight".