Search a number
-
+
47346989 = 177139227
BaseRepresentation
bin1011010010011…
…1010100101101
310022002110212012
42310213110231
544110100424
64410451005
71113304604
oct264472455
9108073765
1047346989
11247a9548
1213a33a65
139a69991
146406a3b
154253b0e
hex2d2752d

47346989 has 8 divisors (see below), whose sum is σ = 50839488. Its totient is φ = 43933120.

The previous prime is 47346941. The next prime is 47347019. The reversal of 47346989 is 98964374.

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 47346989 - 216 = 47281453 is a prime.

It is a super-2 number, since 2×473469892 = 4483474734732242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47346289) 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, 18407 + ... + 20820.

It is an arithmetic number, because the mean of its divisors is an integer number (6354936).

Almost surely, 247346989 is an apocalyptic number.

It is an amenable number.

47346989 is a deficient number, since it is larger than the sum of its proper divisors (3492499).

47346989 is a wasteful number, since it uses less digits than its factorization.

47346989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39315.

The product of its digits is 1306368, while the sum is 50.

The square root of 47346989 is about 6880.9148374326. The cubic root of 47346989 is about 361.7685327770.

The spelling of 47346989 in words is "forty-seven million, three hundred forty-six thousand, nine hundred eighty-nine".

Divisors: 1 17 71 1207 39227 666859 2785117 47346989