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3689316 = 2232102481
BaseRepresentation
bin1110000100101101100100
320221102210100
432010231210
51421024231
6211024100
743234011
oct16045544
96842710
103689316
11209a924
12129b030
139c2337
146c0708
154cd1e6
hex384b64

3689316 has 18 divisors (see below), whose sum is σ = 9325862. Its totient is φ = 1229760.

The previous prime is 3689311. The next prime is 3689327. The reversal of 3689316 is 6139863.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 2916 = 1920^2 + 54^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×36893162 = 27222105095712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 102481 = 3689316 / (3 + 6 + 8 + 9 + 3 + 1 + 6).

It is not an unprimeable number, because it can be changed into a prime (3689311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51205 + ... + 51276.

Almost surely, 23689316 is an apocalyptic number.

3689316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3689316 is an abundant number, since it is smaller than the sum of its proper divisors (5636546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3689316 is a wasteful number, since it uses less digits than its factorization.

3689316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102491 (or 102486 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3689316 is about 1920.7592248900. The cubic root of 3689316 is about 154.5190223853.

It can be divided in two parts, 3689 and 316, that added together give a triangular number (4005 = T89).

The spelling of 3689316 in words is "three million, six hundred eighty-nine thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 102481 204962 307443 409924 614886 922329 1229772 1844658 3689316