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190143343 = 1329504359
BaseRepresentation
bin10110101010101…
…01101101101111
3111020210021122001
423111111231233
5342134041333
630511233131
74466122525
oct1325255557
9436707561
10190143343
1198370565
12538187a7
1330515a70
141b378315
1511a5db7d
hexb555b6f

190143343 has 8 divisors (see below), whose sum is σ = 211831200. Its totient is φ = 169464288.

The previous prime is 190143311. The next prime is 190143347. The reversal of 190143343 is 343341091.

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 190143343 - 25 = 190143311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190143347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251803 + ... + 252556.

It is an arithmetic number, because the mean of its divisors is an integer number (26478900).

Almost surely, 2190143343 is an apocalyptic number.

190143343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

190143343 is a deficient number, since it is larger than the sum of its proper divisors (21687857).

190143343 is a wasteful number, since it uses less digits than its factorization.

190143343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504401.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 190143343 is about 13789.2473688741. The cubic root of 190143343 is about 575.0342442113.

The spelling of 190143343 in words is "one hundred ninety million, one hundred forty-three thousand, three hundred forty-three".

Divisors: 1 13 29 377 504359 6556667 14626411 190143343