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3808053 = 3515671
BaseRepresentation
bin1110100001101100110101
321011110200000
432201230311
51433324203
6213341513
744240124
oct16415465
97143600
103808053
112171057
121337899
13a343b2
14711abb
155034a3
hex3a1b35

3808053 has 12 divisors (see below), whose sum is σ = 5704608. Its totient is φ = 2538540.

The previous prime is 3808033. The next prime is 3808061. The reversal of 3808053 is 3508083.

It is a de Polignac number, because none of the positive numbers 2k-3808053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3808033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7593 + ... + 8078.

It is an arithmetic number, because the mean of its divisors is an integer number (475384).

Almost surely, 23808053 is an apocalyptic number.

It is an amenable number.

3808053 is a deficient number, since it is larger than the sum of its proper divisors (1896555).

3808053 is an equidigital number, since it uses as much as digits as its factorization.

3808053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15686 (or 15674 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3808053 is about 1951.4233267028. The cubic root of 3808053 is about 156.1592309071.

The spelling of 3808053 in words is "three million, eight hundred eight thousand, fifty-three".

Divisors: 1 3 9 27 81 243 15671 47013 141039 423117 1269351 3808053