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4131456 = 27372953
BaseRepresentation
bin1111110000101010000000
321202220021220
433300222000
52024201311
6224315040
750055030
oct17605200
97686256
104131456
11237202a
121472a80
13b18664
147978c0
15569206
hex3f0a80

4131456 has 128 divisors (see below), whose sum is σ = 13219200. Its totient is φ = 1118208.

The previous prime is 4131451. The next prime is 4131473. The reversal of 4131456 is 6541314.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131451) 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, 77926 + ... + 77978.

It is an arithmetic number, because the mean of its divisors is an integer number (103275).

Almost surely, 24131456 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 4131456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6609600).

4131456 is an abundant number, since it is smaller than the sum of its proper divisors (9087744).

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

4131456 is a wasteful number, since it uses less digits than its factorization.

4131456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 94 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 4131456 is about 2032.5983371045. The cubic root of 4131456 is about 160.4603409353.

The spelling of 4131456 in words is "four million, one hundred thirty-one thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 48 53 56 58 64 84 87 96 106 112 116 128 159 168 174 192 203 212 224 232 318 336 348 371 384 406 424 448 464 609 636 672 696 742 812 848 896 928 1113 1218 1272 1344 1392 1484 1537 1624 1696 1856 2226 2436 2544 2688 2784 2968 3074 3248 3392 3712 4452 4611 4872 5088 5568 5936 6148 6496 6784 8904 9222 9744 10176 10759 11136 11872 12296 12992 17808 18444 19488 20352 21518 23744 24592 25984 32277 35616 36888 38976 43036 47488 49184 64554 71232 73776 77952 86072 98368 129108 142464 147552 172144 196736 258216 295104 344288 516432 590208 688576 1032864 1377152 2065728 4131456