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4252872 = 2331343317
BaseRepresentation
bin10000001110010011001000
322000001211210
4100032103020
52042042442
6231053120
751102021
oct20162310
98001753
104252872
112445278
1215111a0
13b5b9c0
147c9c48
1559019c
hex40e4c8

4252872 has 64 divisors (see below), whose sum is σ = 11753280. Its totient is φ = 1274112.

The previous prime is 4252867. The next prime is 4252877. The reversal of 4252872 is 2782524.

It is an interprime number because it is at equal distance from previous prime (4252867) and next prime (4252877).

It is an Ulam number.

It is a d-powerful number, because it can be written as 44 + 213 + 54 + 214 + 85 + 73 + 222 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4252877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13258 + ... + 13574.

It is an arithmetic number, because the mean of its divisors is an integer number (183645).

Almost surely, 24252872 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 4252872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5876640).

4252872 is an abundant number, since it is smaller than the sum of its proper divisors (7500408).

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

4252872 is a wasteful number, since it uses less digits than its factorization.

4252872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 378 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 4252872 is about 2062.2492574856. The cubic root of 4252872 is about 162.0170687700.

The spelling of 4252872 in words is "four million, two hundred fifty-two thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 43 52 78 86 104 129 156 172 258 312 317 344 516 559 634 951 1032 1118 1268 1677 1902 2236 2536 3354 3804 4121 4472 6708 7608 8242 12363 13416 13631 16484 24726 27262 32968 40893 49452 54524 81786 98904 109048 163572 177203 327144 354406 531609 708812 1063218 1417624 2126436 4252872