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3801538 = 213146213
BaseRepresentation
bin1110100000000111000010
321011010201201
432200013002
51433122123
6213251414
744212126
oct16400702
97133651
103801538
112167174
121333b6a
13a31440
1470d586
155015ad
hex3a01c2

3801538 has 8 divisors (see below), whose sum is σ = 6140988. Its totient is φ = 1754544.

The previous prime is 3801533. The next prime is 3801541. The reversal of 3801538 is 8351083.

It can be written as a sum of positive squares in 2 ways, for example, as 3713329 + 88209 = 1927^2 + 297^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3801533) 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, 73081 + ... + 73132.

Almost surely, 23801538 is an apocalyptic number.

3801538 is a deficient number, since it is larger than the sum of its proper divisors (2339450).

3801538 is a wasteful number, since it uses less digits than its factorization.

3801538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146228.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 3801538 is about 1949.7533177302. The cubic root of 3801538 is about 156.0701251677.

The spelling of 3801538 in words is "three million, eight hundred one thousand, five hundred thirty-eight".

Divisors: 1 2 13 26 146213 292426 1900769 3801538