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3728089 = 41791151
BaseRepresentation
bin1110001110001011011001
321000101222101
432032023121
51423244324
6211523401
743455031
oct16161331
97011871
103728089
112116a72
1212b9561
13a06b91
146d08c1
154d9944
hex38e2d9

3728089 has 8 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 3588000.

The previous prime is 3728069. The next prime is 3728099. The reversal of 3728089 is 9808273.

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

It is a cyclic number.

It is not a de Polignac number, because 3728089 - 27 = 3727961 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3728069) 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, 2664 + ... + 3814.

It is an arithmetic number, because the mean of its divisors is an integer number (483840).

Almost surely, 23728089 is an apocalyptic number.

It is an amenable number.

3728089 is a deficient number, since it is larger than the sum of its proper divisors (142631).

3728089 is a wasteful number, since it uses less digits than its factorization.

3728089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 3728089 is about 1930.8259890524. The cubic root of 3728089 is about 155.0584448346.

The spelling of 3728089 in words is "three million, seven hundred twenty-eight thousand, eighty-nine".

Divisors: 1 41 79 1151 3239 47191 90929 3728089