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4252779 = 32598009
BaseRepresentation
bin10000001110010001101011
322000001201100
4100032101223
52042042104
6231052443
751101526
oct20162153
98001640
104252779
1124451a3
121511123
13b5b94b
147c9bbd
15590139
hex40e46b

4252779 has 12 divisors (see below), whose sum is σ = 6247800. Its totient is φ = 2786784.

The previous prime is 4252777. The next prime is 4252793. The reversal of 4252779 is 9772524.

It is not a de Polignac number, because 4252779 - 21 = 4252777 is a prime.

It is a super-4 number, since 4×42527794 (a number of 28 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (4252777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3474 + ... + 4535.

It is an arithmetic number, because the mean of its divisors is an integer number (520650).

Almost surely, 24252779 is an apocalyptic number.

4252779 is a deficient number, since it is larger than the sum of its proper divisors (1995021).

4252779 is a wasteful number, since it uses less digits than its factorization.

4252779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074 (or 8071 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 4252779 is about 2062.2267091666. The cubic root of 4252779 is about 162.0158877879.

The spelling of 4252779 in words is "four million, two hundred fifty-two thousand, seven hundred seventy-nine".

Divisors: 1 3 9 59 177 531 8009 24027 72081 472531 1417593 4252779