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3893429 = 17921751
BaseRepresentation
bin1110110110100010110101
321022210210002
432312202311
51444042204
6215241045
745044051
oct16664265
97283702
103893429
11221a211
121379185
13a64207
14734c61
1551d91e
hex3b68b5

3893429 has 4 divisors (see below), whose sum is σ = 3915360. Its totient is φ = 3871500.

The previous prime is 3893419. The next prime is 3893431. The reversal of 3893429 is 9243983.

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 3893429 - 28 = 3893173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3893392 and 3893401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3893419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10697 + ... + 11054.

It is an arithmetic number, because the mean of its divisors is an integer number (978840).

Almost surely, 23893429 is an apocalyptic number.

It is an amenable number.

3893429 is a deficient number, since it is larger than the sum of its proper divisors (21931).

3893429 is a wasteful number, since it uses less digits than its factorization.

3893429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21930.

The product of its digits is 46656, while the sum is 38.

The square root of 3893429 is about 1973.1773868560. The cubic root of 3893429 is about 157.3176389393.

The spelling of 3893429 in words is "three million, eight hundred ninety-three thousand, four hundred twenty-nine".

Divisors: 1 179 21751 3893429