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190028328 = 23371131121
BaseRepresentation
bin10110101001110…
…01101000101000
3111020120102212020
423110321220220
5342121401303
630504544440
74465133310
oct1324715050
9436512766
10190028328
11982a2106
1253782120
13304a55c9
141b348440
1511a39a53
hexb539a28

190028328 has 32 divisors (see below), whose sum is σ = 542938560. Its totient is φ = 54293760.

The previous prime is 190028299. The next prime is 190028341. The reversal of 190028328 is 823820091.

190028328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1900283282 = 72221530884951168, which contains 22 as substring.

It is an unprimeable number.

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, 565393 + ... + 565728.

It is an arithmetic number, because the mean of its divisors is an integer number (16966830).

Almost surely, 2190028328 is an apocalyptic number.

It is an amenable number.

190028328 is an abundant number, since it is smaller than the sum of its proper divisors (352910232).

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

190028328 is a wasteful number, since it uses less digits than its factorization.

190028328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131137 (or 1131133 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 190028328 is about 13785.0762783526. The cubic root of 190028328 is about 574.9182774846.

The spelling of 190028328 in words is "one hundred ninety million, twenty-eight thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1131121 2262242 3393363 4524484 6786726 7917847 9048968 13573452 15835694 23753541 27146904 31671388 47507082 63342776 95014164 190028328