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4893945 = 357127367
BaseRepresentation
bin10010101010110011111001
3100012122020020
4102222303321
52223101240
6252521053
756412030
oct22526371
910178206
104893945
112842991
121780189
131024734
14915717
1566a0d0
hex4aacf9

4893945 has 32 divisors (see below), whose sum is σ = 9043968. Its totient is φ = 2213568.

The previous prime is 4893937. The next prime is 4893947. The reversal of 4893945 is 5493984.

It is not a de Polignac number, because 4893945 - 23 = 4893937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4893897 and 4893906.

It is not an unprimeable number, because it can be changed into a prime (4893947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13152 + ... + 13518.

It is an arithmetic number, because the mean of its divisors is an integer number (282624).

Almost surely, 24893945 is an apocalyptic number.

It is an amenable number.

4893945 is a deficient number, since it is larger than the sum of its proper divisors (4150023).

4893945 is a wasteful number, since it uses less digits than its factorization.

4893945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509.

The product of its digits is 155520, while the sum is 42.

The square root of 4893945 is about 2212.2262542516. The cubic root of 4893945 is about 169.7799343937.

It can be divided in two parts, 48939 and 45, that added together give a palindrome (48984).

The spelling of 4893945 in words is "four million, eight hundred ninety-three thousand, nine hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 127 367 381 635 889 1101 1835 1905 2569 2667 4445 5505 7707 12845 13335 38535 46609 139827 233045 326263 699135 978789 1631315 4893945