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4742505 = 325105389
BaseRepresentation
bin10010000101110101101001
322220221111100
4102011311221
52203230010
6245352013
755211355
oct22056551
98827440
104742505
11274a129
121708609
13ca0821
148b6465
1563a2c0
hex485d69

4742505 has 12 divisors (see below), whose sum is σ = 8220420. Its totient is φ = 2529312.

The previous prime is 4742489. The next prime is 4742519. The reversal of 4742505 is 5052474.

It can be written as a sum of positive squares in 2 ways, for example, as 2862864 + 1879641 = 1692^2 + 1371^2 .

It is not a de Polignac number, because 4742505 - 24 = 4742489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52650 + ... + 52739.

It is an arithmetic number, because the mean of its divisors is an integer number (685035).

Almost surely, 24742505 is an apocalyptic number.

4742505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4742505 is a deficient number, since it is larger than the sum of its proper divisors (3477915).

4742505 is a wasteful number, since it uses less digits than its factorization.

4742505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105400 (or 105397 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 4742505 is about 2177.7293220233. The cubic root of 4742505 is about 168.0103097415.

Adding to 4742505 its reverse (5052474), we get a palindrome (9794979).

The spelling of 4742505 in words is "four million, seven hundred forty-two thousand, five hundred five".

Divisors: 1 3 5 9 15 45 105389 316167 526945 948501 1580835 4742505