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3242991 = 32394523
BaseRepresentation
bin1100010111101111101111
320002202112210
430113233233
51312233431
6153301503
736364533
oct14275757
96082483
103242991
111915564
121104893
1389713b
14605bc3
15440d46
hex317bef

3242991 has 8 divisors (see below), whose sum is σ = 4343040. Its totient is φ = 2152472.

The previous prime is 3242969. The next prime is 3242999. The reversal of 3242991 is 1992423.

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 3242991 - 25 = 3242959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3242999) 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, 1545 + ... + 2978.

It is an arithmetic number, because the mean of its divisors is an integer number (542880).

Almost surely, 23242991 is an apocalyptic number.

3242991 is a deficient number, since it is larger than the sum of its proper divisors (1100049).

3242991 is a wasteful number, since it uses less digits than its factorization.

3242991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765.

The product of its digits is 3888, while the sum is 30.

The square root of 3242991 is about 1800.8306416762. The cubic root of 3242991 is about 148.0182440378.

The spelling of 3242991 in words is "three million, two hundred forty-two thousand, nine hundred ninety-one".

Divisors: 1 3 239 717 4523 13569 1080997 3242991