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3485643907 = 3719937253
BaseRepresentation
bin1100111111000010…
…1011010010000011
322222220212001112111
43033300223102003
524114311101112
61333513240151
7152243325064
oct31760532203
98886761474
103485643907
111529611949
12813403057
134371b10b5
14250d0256b
151560235a7
hexcfc2b483

3485643907 has 4 divisors (see below), whose sum is σ = 3486584880. Its totient is φ = 3484702936.

The previous prime is 3485643901. The next prime is 3485643961. The reversal of 3485643907 is 7093465843.

3485643907 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: 7093465843 = 19935645557.

It is a cyclic number.

It is not a de Polignac number, because 3485643907 - 27 = 3485643779 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3485643901) 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, 464908 + ... + 472345.

It is an arithmetic number, because the mean of its divisors is an integer number (871646220).

Almost surely, 23485643907 is an apocalyptic number.

3485643907 is a deficient number, since it is larger than the sum of its proper divisors (940973).

3485643907 is an equidigital number, since it uses as much as digits as its factorization.

3485643907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940972.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 3485643907 is about 59039.3420271602. The cubic root of 3485643907 is about 1516.2157576983.

The spelling of 3485643907 in words is "three billion, four hundred eighty-five million, six hundred forty-three thousand, nine hundred seven".

Divisors: 1 3719 937253 3485643907