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3806438053 = 11346039823
BaseRepresentation
bin1110001011100001…
…1010001010100101
3100211021111002101011
43202320122022211
530243422004203
61425413102221
7163220122015
oct34270321245
910737432334
103806438053
1116836a9280
128a2927971
134887ac912
14281769c45
1517428d76d
hexe2e1a2a5

3806438053 has 4 divisors (see below), whose sum is σ = 4152477888. Its totient is φ = 3460398220.

The previous prime is 3806438029. The next prime is 3806438059. The reversal of 3806438053 is 3508346083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3806438053 - 29 = 3806437541 is a prime.

It is a Smith number, since the sum of its digits (40) 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 a junction number, because it is equal to n+sod(n) for n = 3806437997 and 3806438015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806438059) 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, 173019901 + ... + 173019922.

It is an arithmetic number, because the mean of its divisors is an integer number (1038119472).

Almost surely, 23806438053 is an apocalyptic number.

It is an amenable number.

3806438053 is a deficient number, since it is larger than the sum of its proper divisors (346039835).

3806438053 is a wasteful number, since it uses less digits than its factorization.

3806438053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346039834.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 3806438053 is about 61696.3374358641. The cubic root of 3806438053 is about 1561.3715273575.

The spelling of 3806438053 in words is "three billion, eight hundred six million, four hundred thirty-eight thousand, fifty-three".

Divisors: 1 11 346039823 3806438053