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190049223 = 37131933607
BaseRepresentation
bin10110101001111…
…10101111000111
3111020121111112010
423110332233013
5342123033343
630505225303
74465251240
oct1324765707
9436544463
10190049223
1198306881
1253792233
13304b1c80
141b351cc7
1511a40d33
hexb53ebc7

190049223 has 32 divisors (see below), whose sum is σ = 313578496. Its totient is φ = 99698688.

The previous prime is 190049219. The next prime is 190049243. The reversal of 190049223 is 322940091.

It is not a de Polignac number, because 190049223 - 22 = 190049219 is a prime.

It is a super-2 number, since 2×1900492232 = 72237414325807458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190049203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50886 + ... + 54492.

It is an arithmetic number, because the mean of its divisors is an integer number (9799328).

Almost surely, 2190049223 is an apocalyptic number.

190049223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

190049223 is a deficient number, since it is larger than the sum of its proper divisors (123529273).

190049223 is a wasteful number, since it uses less digits than its factorization.

190049223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 190049223 is about 13785.8341423361. The cubic root of 190049223 is about 574.9393488642.

The spelling of 190049223 in words is "one hundred ninety million, forty-nine thousand, two hundred twenty-three".

Divisors: 1 3 7 13 21 39 91 193 273 579 1351 2509 3607 4053 7527 10821 17563 25249 46891 52689 75747 140673 328237 696151 984711 2088453 4873057 9049963 14619171 27149889 63349741 190049223