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190893371 = 1226915559
BaseRepresentation
bin10110110000011…
…00110100111011
3111022012101110212
423120030310323
5342332041441
630535301335
74505365304
oct1330146473
9438171425
10190893371
1198833019
1253b1a84b
1330719276
141b4d17ab
1511b5aeeb
hexb60cd3b

190893371 has 4 divisors (see below), whose sum is σ = 190921200. Its totient is φ = 190865544.

The previous prime is 190893349. The next prime is 190893377. The reversal of 190893371 is 173398091.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 190893371 - 210 = 190892347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190893377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4490 + ... + 20048.

It is an arithmetic number, because the mean of its divisors is an integer number (47730300).

Almost surely, 2190893371 is an apocalyptic number.

190893371 is a deficient number, since it is larger than the sum of its proper divisors (27829).

190893371 is a wasteful number, since it uses less digits than its factorization.

190893371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27828.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 190893371 is about 13816.4167206986. The cubic root of 190893371 is about 575.7893340894.

The spelling of 190893371 in words is "one hundred ninety million, eight hundred ninety-three thousand, three hundred seventy-one".

Divisors: 1 12269 15559 190893371