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190070666 = 2234131971
BaseRepresentation
bin10110101010000…
…11111110001010
3111020122120221022
423111003332022
5342124230131
630505512442
74465400612
oct1325037612
9436576838
10190070666
11983209a5
12537a2722
13304bb966
141b359a42
1511a4737b
hexb543f8a

190070666 has 8 divisors (see below), whose sum is σ = 297501984. Its totient is φ = 90903340.

The previous prime is 190070663. The next prime is 190070677. The reversal of 190070666 is 666070091.

It is a happy number.

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

It is a super-2 number, since 2×1900706662 = 72253716147367112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190070663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2065940 + ... + 2066031.

It is an arithmetic number, because the mean of its divisors is an integer number (37187748).

Almost surely, 2190070666 is an apocalyptic number.

190070666 is a deficient number, since it is larger than the sum of its proper divisors (107431318).

190070666 is a wasteful number, since it uses less digits than its factorization.

190070666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131996.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 190070666 is about 13786.6118390270. The cubic root of 190070666 is about 574.9609712640.

The spelling of 190070666 in words is "one hundred ninety million, seventy thousand, six hundred sixty-six".

Divisors: 1 2 23 46 4131971 8263942 95035333 190070666