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5438109 = 32962507
BaseRepresentation
bin10100101111101010011101
3101020021200110
4110233222131
52343004414
6312320233
764136355
oct24575235
911207613
105438109
113084806
1219a3079
131185321
14a17b65
15726459
hex52fa9d

5438109 has 8 divisors (see below), whose sum is σ = 7500960. Its totient is φ = 3500336.

The previous prime is 5438107. The next prime is 5438129. The reversal of 5438109 is 9018345.

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 5438109 - 21 = 5438107 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438101) 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, 31167 + ... + 31340.

It is an arithmetic number, because the mean of its divisors is an integer number (937620).

Almost surely, 25438109 is an apocalyptic number.

It is an amenable number.

5438109 is a deficient number, since it is larger than the sum of its proper divisors (2062851).

5438109 is a wasteful number, since it uses less digits than its factorization.

5438109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62539.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 5438109 is about 2331.9753429228. The cubic root of 5438109 is about 175.8528060812.

The spelling of 5438109 in words is "five million, four hundred thirty-eight thousand, one hundred nine".

Divisors: 1 3 29 87 62507 187521 1812703 5438109