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190381883 = 537349207
BaseRepresentation
bin10110101100011…
…11111100111011
3111021020101211212
423112033330323
5342214210013
630520313335
74501135136
oct1326177473
9437211755
10190381883
11985137aa
125391284b
133059a503
141b3db21d
1511aa96a8
hexb58ff3b

190381883 has 8 divisors (see below), whose sum is σ = 196635168. Its totient is φ = 184227264.

The previous prime is 190381871. The next prime is 190381927. The reversal of 190381883 is 388183091.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-190381883 is a prime.

It is a super-3 number, since 3×1903818833 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190381883.

It is not an unprimeable number, because it can be changed into a prime (190383883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20735 + ... + 28472.

It is an arithmetic number, because the mean of its divisors is an integer number (24579396).

Almost surely, 2190381883 is an apocalyptic number.

190381883 is a deficient number, since it is larger than the sum of its proper divisors (6253285).

190381883 is an equidigital number, since it uses as much as digits as its factorization.

190381883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49333.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 190381883 is about 13797.8941509203. The cubic root of 190381883 is about 575.2746090957.

The spelling of 190381883 in words is "one hundred ninety million, three hundred eighty-one thousand, eight hundred eighty-three".

Divisors: 1 53 73 3869 49207 2607971 3592111 190381883