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4309245 = 3251743131
BaseRepresentation
bin10000011100000011111101
322002221011200
4100130003331
52100343440
6232210113
751425253
oct20340375
98087150
104309245
112483666
121539939
13b7b565
148025d3
155a1c30
hex41c0fd

4309245 has 48 divisors (see below), whose sum is σ = 8154432. Its totient is φ = 2096640.

The previous prime is 4309243. The next prime is 4309259. The reversal of 4309245 is 5429034.

It is not a de Polignac number, because 4309245 - 21 = 4309243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4309243) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 32830 + ... + 32960.

It is an arithmetic number, because the mean of its divisors is an integer number (169884).

Almost surely, 24309245 is an apocalyptic number.

4309245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4309245 is a deficient number, since it is larger than the sum of its proper divisors (3845187).

4309245 is a wasteful number, since it uses less digits than its factorization.

4309245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4309245 is about 2075.8721058871. The cubic root of 4309245 is about 162.7297893030.

It can be divided in two parts, 4309 and 245, that added together give a palindrome (4554).

The spelling of 4309245 in words is "four million, three hundred nine thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 17 43 45 51 85 129 131 153 215 255 387 393 645 655 731 765 1179 1935 1965 2193 2227 3655 5633 5895 6579 6681 10965 11135 16899 20043 28165 32895 33405 50697 84495 95761 100215 253485 287283 478805 861849 1436415 4309245