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3240681 = 34126347
BaseRepresentation
bin1100010111001011101001
320002122101020
430113023221
51312200211
6153243053
736355023
oct14271351
96078336
103240681
111913854
121103489
13896082
14605013
15440306
hex3172e9

3240681 has 8 divisors (see below), whose sum is σ = 4426464. Its totient is φ = 2107680.

The previous prime is 3240667. The next prime is 3240683. The reversal of 3240681 is 1860423.

It is a happy number.

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

It is not a de Polignac number, because 3240681 - 25 = 3240649 is a prime.

It is a super-2 number, since 2×32406812 = 21004026687522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3240683) 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, 13051 + ... + 13296.

It is an arithmetic number, because the mean of its divisors is an integer number (553308).

Almost surely, 23240681 is an apocalyptic number.

It is an amenable number.

3240681 is a deficient number, since it is larger than the sum of its proper divisors (1185783).

3240681 is a wasteful number, since it uses less digits than its factorization.

3240681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26391.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3240681 is about 1800.1891567277. The cubic root of 3240681 is about 147.9830909584.

The spelling of 3240681 in words is "three million, two hundred forty thousand, six hundred eighty-one".

Divisors: 1 3 41 123 26347 79041 1080227 3240681