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190191082 = 2461206281
BaseRepresentation
bin10110101011000…
…01010111101010
3111020212201010011
423111201113222
5342142103312
630512242134
74466411644
oct1325412752
9436781104
10190191082
11983a3414
125384034a
1330531703
141b38b894
1511a6cda7
hexb5615ea

190191082 has 8 divisors (see below), whose sum is σ = 285906852. Its totient is φ = 94888800.

The previous prime is 190191073. The next prime is 190191119. The reversal of 190191082 is 280191091.

It can be written as a sum of positive squares in 2 ways, for example, as 158482921 + 31708161 = 12589^2 + 5631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102219 + ... + 104062.

Almost surely, 2190191082 is an apocalyptic number.

190191082 is a deficient number, since it is larger than the sum of its proper divisors (95715770).

190191082 is a wasteful number, since it uses less digits than its factorization.

190191082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206744.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 190191082 is about 13790.9782829210. The cubic root of 190191082 is about 575.0823645088.

Subtracting 190191082 from its reverse (280191091), we obtain a palindrome (90000009).

The spelling of 190191082 in words is "one hundred ninety million, one hundred ninety-one thousand, eighty-two".

Divisors: 1 2 461 922 206281 412562 95095541 190191082