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3287641 = 72272069
BaseRepresentation
bin1100100010101001011001
320012000210111
430202221121
51320201031
6154244321
736641650
oct14425131
96160714
103287641
111946065
1211266a1
138b1566
14618197
1544e1b1
hex322a59

3287641 has 8 divisors (see below), whose sum is σ = 3775680. Its totient is φ = 2804208.

The previous prime is 3287639. The next prime is 3287653. The reversal of 3287641 is 1467823.

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

It is a cyclic number.

It is not a de Polignac number, because 3287641 - 21 = 3287639 is a prime.

It is a Duffinian number.

3287641 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3287441) 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, 555 + ... + 2623.

It is an arithmetic number, because the mean of its divisors is an integer number (471960).

Almost surely, 23287641 is an apocalyptic number.

It is an amenable number.

3287641 is a deficient number, since it is larger than the sum of its proper divisors (488039).

3287641 is a wasteful number, since it uses less digits than its factorization.

3287641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303.

The product of its digits is 8064, while the sum is 31.

The square root of 3287641 is about 1813.1853187140. The cubic root of 3287641 is about 148.6944627076.

The spelling of 3287641 in words is "three million, two hundred eighty-seven thousand, six hundred forty-one".

Divisors: 1 7 227 1589 2069 14483 469663 3287641