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190073698 = 2214144389
BaseRepresentation
bin10110101010001…
…00101101100010
3111020122202002121
423111010231202
5342124324243
630505534454
74465412503
oct1325045542
9436582077
10190073698
1198323201
12537a442a
13304c0159
141b35abaa
1511a481ed
hexb544b62

190073698 has 8 divisors (see below), whose sum is σ = 285250140. Its totient is φ = 94990320.

The previous prime is 190073693. The next prime is 190073749. The reversal of 190073698 is 896370091.

It can be written as a sum of positive squares in 2 ways, for example, as 130119649 + 59954049 = 11407^2 + 7743^2 .

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

It is a super-2 number, since 2×1900736982 = 72256021342790408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190073693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17913 + ... + 26476.

Almost surely, 2190073698 is an apocalyptic number.

190073698 is a deficient number, since it is larger than the sum of its proper divisors (95176442).

190073698 is a wasteful number, since it uses less digits than its factorization.

190073698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46532.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 190073698 is about 13786.7218003411. The cubic root of 190073698 is about 574.9640284995.

The spelling of 190073698 in words is "one hundred ninety million, seventy-three thousand, six hundred ninety-eight".

Divisors: 1 2 2141 4282 44389 88778 95036849 190073698