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3679145 = 5735829
BaseRepresentation
bin1110000010001110101001
320220220211122
432002032221
51420213040
6210505025
743162241
oct16021651
96826748
103679145
112093218
121295175
139ba812
146bab21
154ca1b5
hex3823a9

3679145 has 4 divisors (see below), whose sum is σ = 4414980. Its totient is φ = 2943312.

The previous prime is 3679139. The next prime is 3679147. The reversal of 3679145 is 5419763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5419763 = 43126041.

It can be written as a sum of positive squares in 2 ways, for example, as 399424 + 3279721 = 632^2 + 1811^2 .

It is a cyclic number.

It is not a de Polignac number, because 3679145 - 24 = 3679129 is a prime.

It is a super-2 number, since 2×36791452 = 27072215862050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3679147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367910 + ... + 367919.

It is an arithmetic number, because the mean of its divisors is an integer number (1103745).

Almost surely, 23679145 is an apocalyptic number.

It is an amenable number.

3679145 is a deficient number, since it is larger than the sum of its proper divisors (735835).

3679145 is an equidigital number, since it uses as much as digits as its factorization.

3679145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735834.

The product of its digits is 22680, while the sum is 35.

The square root of 3679145 is about 1918.1097465995. The cubic root of 3679145 is about 154.3768949157.

The spelling of 3679145 in words is "three million, six hundred seventy-nine thousand, one hundred forty-five".

Divisors: 1 5 735829 3679145