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4169472 = 2836189
BaseRepresentation
bin1111111001111100000000
321211211102220
433321330000
52031410342
6225211040
750303616
oct17717400
97754386
104169472
11239864a
121490a80
13b2ca58
147a76b6
155755ec
hex3f9f00

4169472 has 72 divisors (see below), whose sum is σ = 11405520. Its totient is φ = 1351680.

The previous prime is 4169453. The next prime is 4169491. The reversal of 4169472 is 2749614.

It is a happy number.

4169472 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4169453) and next prime (4169491).

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46804 + ... + 46892.

It is an arithmetic number, because the mean of its divisors is an integer number (158410).

Almost surely, 24169472 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 4169472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5702760).

4169472 is an abundant number, since it is smaller than the sum of its proper divisors (7236048).

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

4169472 is an equidigital number, since it uses as much as digits as its factorization.

4169472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 155 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 4169472 is about 2041.9285002174. The cubic root of 4169472 is about 160.9510029265.

The spelling of 4169472 in words is "four million, one hundred sixty-nine thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 61 64 89 96 122 128 178 183 192 244 256 267 356 366 384 488 534 712 732 768 976 1068 1424 1464 1952 2136 2848 2928 3904 4272 5429 5696 5856 7808 8544 10858 11392 11712 15616 16287 17088 21716 22784 23424 32574 34176 43432 46848 65148 68352 86864 130296 173728 260592 347456 521184 694912 1042368 1389824 2084736 4169472