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3821493 = 31397987
BaseRepresentation
bin1110100100111110110101
321012011002210
432210332311
51434241433
6213524033
744324244
oct16447665
97164083
103821493
112180165
121343619
13a3a550
1471695b
15507463
hex3a4fb5

3821493 has 8 divisors (see below), whose sum is σ = 5487328. Its totient is φ = 2351664.

The previous prime is 3821491. The next prime is 3821497. The reversal of 3821493 is 3941283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3821493 - 21 = 3821491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3821493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48955 + ... + 49032.

It is an arithmetic number, because the mean of its divisors is an integer number (685916).

Almost surely, 23821493 is an apocalyptic number.

It is an amenable number.

3821493 is a deficient number, since it is larger than the sum of its proper divisors (1665835).

3821493 is a wasteful number, since it uses less digits than its factorization.

3821493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98003.

The product of its digits is 5184, while the sum is 30.

The square root of 3821493 is about 1954.8639338839. The cubic root of 3821493 is about 156.3427293839.

The spelling of 3821493 in words is "three million, eight hundred twenty-one thousand, four hundred ninety-three".

Divisors: 1 3 13 39 97987 293961 1273831 3821493