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3689793 = 3445553
BaseRepresentation
bin1110000100110101000001
320221110110000
432010311001
51421033133
6211030213
743235262
oct16046501
96843400
103689793
1120a0218
12129b369
139c2613
146c0969
154cd413
hex384d41

3689793 has 10 divisors (see below), whose sum is σ = 5512034. Its totient is φ = 2459808.

The previous prime is 3689779. The next prime is 3689797. The reversal of 3689793 is 3979863.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3470769 + 219024 = 1863^2 + 468^2 .

It is not a de Polignac number, because 3689793 - 25 = 3689761 is a prime.

It is a super-2 number, since 2×36897932 = 27229144765698, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3689797) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22696 + ... + 22857.

Almost surely, 23689793 is an apocalyptic number.

It is an amenable number.

3689793 is a deficient number, since it is larger than the sum of its proper divisors (1822241).

3689793 is an equidigital number, since it uses as much as digits as its factorization.

3689793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45565 (or 45556 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3689793 is about 1920.8833905263. The cubic root of 3689793 is about 154.5256814694.

The spelling of 3689793 in words is "three million, six hundred eighty-nine thousand, seven hundred ninety-three".

Divisors: 1 3 9 27 81 45553 136659 409977 1229931 3689793