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4782949 = 6189881
BaseRepresentation
bin10010001111101101100101
322222222222021
4102033231211
52211023244
6250303141
755440313
oct22175545
98888867
104782949
112777556
121727ab1
13cb6062
148c70b3
15647284
hex48fb65

4782949 has 8 divisors (see below), whose sum is σ = 4921560. Its totient is φ = 4646400.

The previous prime is 4782913. The next prime is 4782961. The reversal of 4782949 is 9492874.

It can be written as a sum of positive squares in 4 ways, for example, as 297025 + 4485924 = 545^2 + 2118^2 .

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 4782949 - 27 = 4782821 is a prime.

It is a super-2 number, since 2×47829492 = 45753202273202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4782989) 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 7 ways as a sum of consecutive naturals, for example, 4989 + ... + 5869.

It is an arithmetic number, because the mean of its divisors is an integer number (615195).

Almost surely, 24782949 is an apocalyptic number.

It is an amenable number.

4782949 is a deficient number, since it is larger than the sum of its proper divisors (138611).

4782949 is an equidigital number, since it uses as much as digits as its factorization.

4782949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031.

The product of its digits is 145152, while the sum is 43.

The square root of 4782949 is about 2186.9954275215. The cubic root of 4782949 is about 168.4865548242.

The spelling of 4782949 in words is "four million, seven hundred eighty-two thousand, nine hundred forty-nine".

Divisors: 1 61 89 881 5429 53741 78409 4782949