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5947421 = 38915289
BaseRepresentation
bin10110101100000000011101
3102012011022212
4112230000131
53010304141
6331250205
7101360264
oct26540035
912164285
105947421
1133a2427
121ba9965
1313030ac
14b0b5db
157c72eb
hex5ac01d

5947421 has 4 divisors (see below), whose sum is σ = 5963100. Its totient is φ = 5931744.

The previous prime is 5947411. The next prime is 5947423. The reversal of 5947421 is 1247495.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1247495 = 5249499.

It can be written as a sum of positive squares in 2 ways, for example, as 2524921 + 3422500 = 1589^2 + 1850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5947421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5947423) 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, 7256 + ... + 8033.

It is an arithmetic number, because the mean of its divisors is an integer number (1490775).

Almost surely, 25947421 is an apocalyptic number.

It is an amenable number.

5947421 is a deficient number, since it is larger than the sum of its proper divisors (15679).

5947421 is a wasteful number, since it uses less digits than its factorization.

5947421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15678.

The product of its digits is 10080, while the sum is 32.

The square root of 5947421 is about 2438.7334827734. The cubic root of 5947421 is about 181.1797102001.

It can be divided in two parts, 59474 and 21, that added together give a palindrome (59495).

The spelling of 5947421 in words is "five million, nine hundred forty-seven thousand, four hundred twenty-one".

Divisors: 1 389 15289 5947421