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190334090 = 25139149919
BaseRepresentation
bin10110101100001…
…00010010001010
3111021010222021202
423112010102022
5342211142330
630515304202
74500545612
oct1326042212
9437128252
10190334090
1198490901
12538ab062
133058182b
141b3c7a42
1511a9a445
hexb58448a

190334090 has 32 divisors (see below), whose sum is σ = 347760000. Its totient is φ = 74996928.

The previous prime is 190334087. The next prime is 190334099. The reversal of 190334090 is 90433091.

It is a super-2 number, since 2×1903340902 = 72454131632256200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190334099) 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 15 ways as a sum of consecutive naturals, for example, 206651 + ... + 207569.

It is an arithmetic number, because the mean of its divisors is an integer number (10867500).

Almost surely, 2190334090 is an apocalyptic number.

190334090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190334090 is a deficient number, since it is larger than the sum of its proper divisors (157425910).

190334090 is a wasteful number, since it uses less digits than its factorization.

190334090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 190334090 is about 13796.1621474959. The cubic root of 190334090 is about 575.2264665589.

Subtracting from 190334090 its reverse (90433091), we obtain a palindrome (99900999).

The spelling of 190334090 in words is "one hundred ninety million, three hundred thirty-four thousand, ninety".

Divisors: 1 2 5 10 139 149 278 298 695 745 919 1390 1490 1838 4595 9190 20711 41422 103555 127741 136931 207110 255482 273862 638705 684655 1277410 1369310 19033409 38066818 95167045 190334090