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190589057 = 17195973137
BaseRepresentation
bin10110101110000…
…10100010000001
3111021121221000222
423113002202001
5342242322212
630524552425
74502660141
oct1327024201
9437557028
10190589057
119864541a
12539b2715
13306408b9
141b452921
1511aeac72
hexb5c2881

190589057 has 32 divisors (see below), whose sum is σ = 220579200. Its totient is φ = 163565568.

The previous prime is 190589053. The next prime is 190589059. The reversal of 190589057 is 750985091.

It is a happy number.

It is not a de Polignac number, because 190589057 - 22 = 190589053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190588999 and 190589017.

It is not an unprimeable number, because it can be changed into a prime (190589053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1391093 + ... + 1391229.

It is an arithmetic number, because the mean of its divisors is an integer number (6893100).

Almost surely, 2190589057 is an apocalyptic number.

190589057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

190589057 is a deficient number, since it is larger than the sum of its proper divisors (29990143).

190589057 is a wasteful number, since it uses less digits than its factorization.

190589057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 190589057 is about 13805.3995595926. The cubic root of 190589057 is about 575.4832051637.

The spelling of 190589057 in words is "one hundred ninety million, five hundred eighty-nine thousand, fifty-seven".

Divisors: 1 17 19 59 73 137 323 1003 1121 1241 1387 2329 2603 4307 8083 10001 19057 23579 44251 73219 81833 137411 153577 170017 190019 590059 1391161 2610809 3230323 10031003 11211121 190589057