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1294272 = 26337107
BaseRepresentation
bin100111011111111000000
32102202102000
410323333000
5312404042
643424000
714000250
oct4737700
92382360
101294272
11804451
12525000
13364155
14259960
151a874c
hex13bfc0

1294272 has 112 divisors (see below), whose sum is σ = 4389120. Its totient is φ = 366336.

The previous prime is 1294253. The next prime is 1294273. The reversal of 1294272 is 2724921.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294273) 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, 12043 + ... + 12149.

21294272 is an apocalyptic number.

1294272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1294272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2194560).

1294272 is an abundant number, since it is smaller than the sum of its proper divisors (3094848).

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

1294272 is a wasteful number, since it uses less digits than its factorization.

1294272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 119 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1294272 is about 1137.6607578712. The cubic root of 1294272 is about 108.9787574686.

The spelling of 1294272 in words is "one million, two hundred ninety-four thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 107 108 112 126 144 168 189 192 214 216 224 252 288 321 336 378 428 432 448 504 576 642 672 749 756 856 864 963 1008 1284 1344 1498 1512 1712 1728 1926 2016 2247 2568 2889 2996 3024 3424 3852 4032 4494 5136 5778 5992 6048 6741 6848 7704 8988 10272 11556 11984 12096 13482 15408 17976 20223 20544 23112 23968 26964 30816 35952 40446 46224 47936 53928 61632 71904 80892 92448 107856 143808 161784 184896 215712 323568 431424 647136 1294272