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3681190346 = 21840595173
BaseRepresentation
bin1101101101101010…
…1000000111001010
3100111112210211211012
43123122220013022
530014341042341
61405140403522
7160136413241
oct33332500712
910445724735
103681190346
111619a32879
128689a65a2
13468869252
1426cc85958
1516829d0eb
hexdb6a81ca

3681190346 has 4 divisors (see below), whose sum is σ = 5521785522. Its totient is φ = 1840595172.

The previous prime is 3681190327. The next prime is 3681190349. The reversal of 3681190346 is 6430911863.

3681190346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6430911863 = 50211280803.

It can be written as a sum of positive squares in only one way, i.e., 2640418225 + 1040772121 = 51385^2 + 32261^2 .

It is not an unprimeable number, because it can be changed into a prime (3681190349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920297585 + ... + 920297588.

Almost surely, 23681190346 is an apocalyptic number.

3681190346 is a deficient number, since it is larger than the sum of its proper divisors (1840595176).

3681190346 is a wasteful number, since it uses less digits than its factorization.

3681190346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840595175.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 3681190346 is about 60672.8138955167. The cubic root of 3681190346 is about 1544.0549718340.

The spelling of 3681190346 in words is "three billion, six hundred eighty-one million, one hundred ninety thousand, three hundred forty-six".

Divisors: 1 2 1840595173 3681190346