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11425428 = 22337217127
BaseRepresentation
bin101011100101…
…011010010100
3210111110202000
4223211122110
510411103203
61044515300
7166054200
oct53453224
923443660
1011425428
1164a4103
1239abb30
1324a0611
141735b00
15100a4a3
hexae5694

11425428 has 144 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 3048192.

The previous prime is 11425417. The next prime is 11425433. The reversal of 11425428 is 82452411.

11425428 is a `hidden beast` number, since 114 + 2 + 542 + 8 = 666.

11425428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89901 + ... + 90027.

It is an arithmetic number, because the mean of its divisors is an integer number (255360).

Almost surely, 211425428 is an apocalyptic number.

11425428 is a gapful number since it is divisible by the number (18) 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 11425428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18385920).

11425428 is an abundant number, since it is smaller than the sum of its proper divisors (25346412).

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

11425428 is a wasteful number, since it uses less digits than its factorization.

11425428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 156 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 11425428 is about 3380.1520675851. The cubic root of 11425428 is about 225.2289225631.

Adding to 11425428 its reverse (82452411), we get a palindrome (93877839).

The spelling of 11425428 in words is "eleven million, four hundred twenty-five thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 17 18 21 27 28 34 36 42 49 51 54 63 68 84 98 102 108 119 126 127 147 153 189 196 204 238 252 254 294 306 357 378 381 441 459 476 508 588 612 714 756 762 833 882 889 918 1071 1143 1323 1428 1524 1666 1764 1778 1836 2142 2159 2286 2499 2646 2667 3213 3332 3429 3556 4284 4318 4572 4998 5292 5334 6223 6426 6477 6858 7497 8001 8636 9996 10668 12446 12852 12954 13716 14994 15113 16002 18669 19431 22491 24003 24892 25908 29988 30226 32004 37338 38862 44982 45339 48006 56007 58293 60452 74676 77724 89964 90678 96012 105791 112014 116586 136017 168021 181356 211582 224028 233172 272034 317373 336042 408051 423164 544068 634746 672084 816102 952119 1269492 1632204 1904238 2856357 3808476 5712714 11425428