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3801489 = 317131569
BaseRepresentation
bin1110100000000110010001
321011010122220
432200012101
51433121424
6213251253
744212026
oct16400621
97133586
103801489
11216712a
121333b29
13a31403
1470d54d
15501579
hex3a0191

3801489 has 16 divisors (see below), whose sum is σ = 5417280. Its totient is φ = 2362880.

The previous prime is 3801487. The next prime is 3801493. The reversal of 3801489 is 9841083.

3801489 = T142 + T143 + ... + T294.

It is a cyclic number.

It is not a de Polignac number, because 3801489 - 21 = 3801487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3801487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6397 + ... + 6965.

It is an arithmetic number, because the mean of its divisors is an integer number (338580).

Almost surely, 23801489 is an apocalyptic number.

It is an amenable number.

3801489 is a deficient number, since it is larger than the sum of its proper divisors (1615791).

3801489 is a wasteful number, since it uses less digits than its factorization.

3801489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 3801489 is about 1949.7407519976. The cubic root of 3801489 is about 156.0694546085.

The spelling of 3801489 in words is "three million, eight hundred one thousand, four hundred eighty-nine".

Divisors: 1 3 17 51 131 393 569 1707 2227 6681 9673 29019 74539 223617 1267163 3801489