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4905947 = 89199277
BaseRepresentation
bin10010101101101111011011
3100020020200202
4102231233123
52223442242
6253052415
756462024
oct22555733
910206622
104905947
112850a02
12178710b
13102a037
14919c4b
1566d932
hex4adbdb

4905947 has 8 divisors (see below), whose sum is σ = 5004000. Its totient is φ = 4809024.

The previous prime is 4905931. The next prime is 4905949. The reversal of 4905947 is 7495094.

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 4905947 - 24 = 4905931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4905947.

It is not an unprimeable number, because it can be changed into a prime (4905949) 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, 17573 + ... + 17849.

It is an arithmetic number, because the mean of its divisors is an integer number (625500).

Almost surely, 24905947 is an apocalyptic number.

4905947 is a deficient number, since it is larger than the sum of its proper divisors (98053).

4905947 is a wasteful number, since it uses less digits than its factorization.

4905947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 4905947 is about 2214.9372451607. The cubic root of 4905947 is about 169.9186115601.

The spelling of 4905947 in words is "four million, nine hundred five thousand, nine hundred forty-seven".

Divisors: 1 89 199 277 17711 24653 55123 4905947