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3899693 = 719109269
BaseRepresentation
bin1110111000000100101101
321100010101002
432320010231
51444242233
6215330045
745101240
oct16700455
97303332
103899693
112223996
121380925
13a67015
14737257
155206e8
hex3b812d

3899693 has 16 divisors (see below), whose sum is σ = 4752000. Its totient is φ = 3125952.

The previous prime is 3899657. The next prime is 3899699. The reversal of 3899693 is 3969983.

3899693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3899693 - 212 = 3895597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14363 + ... + 14631.

It is an arithmetic number, because the mean of its divisors is an integer number (297000).

Almost surely, 23899693 is an apocalyptic number.

It is an amenable number.

3899693 is a deficient number, since it is larger than the sum of its proper divisors (852307).

3899693 is a wasteful number, since it uses less digits than its factorization.

3899693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its digits is 314928, while the sum is 47.

The square root of 3899693 is about 1974.7640365370. The cubic root of 3899693 is about 157.4019613265.

The spelling of 3899693 in words is "three million, eight hundred ninety-nine thousand, six hundred ninety-three".

Divisors: 1 7 19 109 133 269 763 1883 2071 5111 14497 29321 35777 205247 557099 3899693