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3689465 = 513311831
BaseRepresentation
bin1110000100101111111001
320221102222212
432010233321
51421030330
6211024505
743234313
oct16045771
96842885
103689465
11209aa4a
12129b135
139c2420
146c07b3
154cd295
hex384bf9

3689465 has 16 divisors (see below), whose sum is σ = 4924416. Its totient is φ = 2635200.

The previous prime is 3689461. The next prime is 3689473. The reversal of 3689465 is 5649863.

It is not a de Polignac number, because 3689465 - 22 = 3689461 is a prime.

It is a super-2 number, since 2×36894652 = 27224303972450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3689461) 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 15 ways as a sum of consecutive naturals, for example, 1100 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (307776).

Almost surely, 23689465 is an apocalyptic number.

It is an amenable number.

3689465 is a deficient number, since it is larger than the sum of its proper divisors (1234951).

3689465 is a wasteful number, since it uses less digits than its factorization.

3689465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880.

The product of its digits is 155520, while the sum is 41.

The square root of 3689465 is about 1920.7980112443. The cubic root of 3689465 is about 154.5211025382.

The spelling of 3689465 in words is "three million, six hundred eighty-nine thousand, four hundred sixty-five".

Divisors: 1 5 13 31 65 155 403 1831 2015 9155 23803 56761 119015 283805 737893 3689465