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4322740 = 225292257
BaseRepresentation
bin10000011111010110110100
322010121200111
4100133112310
52101311430
6232352404
751512512
oct20372664
98117614
104322740
112492814
121545704
13b84746
148074b2
155a5c2a
hex41f5b4

4322740 has 36 divisors (see below), whose sum is σ = 9438156. Its totient is φ = 1662976.

The previous prime is 4322713. The next prime is 4322741. The reversal of 4322740 is 472234.

It can be written as a sum of positive squares in 6 ways, for example, as 338724 + 3984016 = 582^2 + 1996^2 .

It is a super-2 number, since 2×43227402 = 37372162215200, which contains 22 as substring.

It is a d-powerful number, because it can be written as 46 + 38 + 2 + 27 + 76 + 411 + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4322741) 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, 16692 + ... + 16948.

It is an arithmetic number, because the mean of its divisors is an integer number (262171).

Almost surely, 24322740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4322740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4719078).

4322740 is an abundant number, since it is smaller than the sum of its proper divisors (5115416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4322740 is a wasteful number, since it uses less digits than its factorization.

4322740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 4322740 is about 2079.1200061565. The cubic root of 4322740 is about 162.8994826086.

Adding to 4322740 its reverse (472234), we get a palindrome (4794974).

The spelling of 4322740 in words is "four million, three hundred twenty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 257 290 514 580 841 1028 1285 1682 2570 3364 4205 5140 7453 8410 14906 16820 29812 37265 74530 149060 216137 432274 864548 1080685 2161370 4322740