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190448219 = 1337673889
BaseRepresentation
bin10110101101000…
…00001001011011
3111021100202211202
423112200021123
5342223320334
630521544415
74501532423
oct1326401133
9437322752
10190448219
1198559625
125394510b
13305c1770
141b417483
1511abe17e
hexb5a025b

190448219 has 8 divisors (see below), whose sum is σ = 205205280. Its totient is φ = 175706496.

The previous prime is 190448207. The next prime is 190448227. The reversal of 190448219 is 912844091.

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

It is a cyclic number.

It is not a de Polignac number, because 190448219 - 216 = 190382683 is a prime.

It is a super-2 number, since 2×1904482192 = 72541048240543922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190448299) 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 7 ways as a sum of consecutive naturals, for example, 47027 + ... + 50915.

It is an arithmetic number, because the mean of its divisors is an integer number (25650660).

Almost surely, 2190448219 is an apocalyptic number.

190448219 is a deficient number, since it is larger than the sum of its proper divisors (14757061).

190448219 is a wasteful number, since it uses less digits than its factorization.

190448219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 190448219 is about 13800.2977866421. The cubic root of 190448219 is about 575.3414168970.

The spelling of 190448219 in words is "one hundred ninety million, four hundred forty-eight thousand, two hundred nineteen".

Divisors: 1 13 3767 3889 48971 50557 14649863 190448219