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4127872 = 27717271
BaseRepresentation
bin1111101111110010000000
321202201101011
433233302000
52024042442
6224250304
750041420
oct17576200
97681334
104127872
11236a371
121470994
13b16b38
14796480
15568117
hex3efc80

4127872 has 64 divisors (see below), whose sum is σ = 9987840. Its totient is φ = 1658880.

The previous prime is 4127863. The next prime is 4127891. The reversal of 4127872 is 2787214.

It is a tau number, because it is divible by the number of its divisors (64).

It is a nude number because it is divisible by every one of its digits.

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

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, 15097 + ... + 15367.

It is an arithmetic number, because the mean of its divisors is an integer number (156060).

Almost surely, 24127872 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 4127872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4993920).

4127872 is an abundant number, since it is smaller than the sum of its proper divisors (5859968).

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

4127872 is a wasteful number, since it uses less digits than its factorization.

4127872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 297 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 4127872 is about 2031.7165156586. The cubic root of 4127872 is about 160.4139282230.

The spelling of 4127872 in words is "four million, one hundred twenty-seven thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 64 68 112 119 128 136 224 238 271 272 448 476 542 544 896 952 1084 1088 1897 1904 2168 2176 3794 3808 4336 4607 7588 7616 8672 9214 15176 15232 17344 18428 30352 32249 34688 36856 60704 64498 73712 121408 128996 147424 242816 257992 294848 515984 589696 1031968 2063936 4127872