Search a number
-
+
12142592 = 21172112
BaseRepresentation
bin101110010100…
…100000000000
3211211220111122
4232110200000
511102030332
61112131412
7205132100
oct56244000
924756448
1012142592
116943a00
124096b68
132691b87
141881200
1510ecc12
hexb94800

12142592 has 108 divisors (see below), whose sum is σ = 31044195. Its totient is φ = 4730880.

The previous prime is 12142589. The next prime is 12142609. The reversal of 12142592 is 29524121.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 6071296 + 6071296 = 2464^2 + 2464^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=2464.

Its product of digits (1440) is a multiple of the sum of its prime divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1103867 + ... + 1103877.

Almost surely, 212142592 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 12142592

12142592 is an abundant number, since it is smaller than the sum of its proper divisors (18901603).

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

12142592 is an equidigital number, since it uses as much as digits as its factorization.

12142592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 20 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 12142592 is about 3484.6222176873. The cubic root of 12142592 is about 229.8460974184.

It can be divided in two parts, 121 and 42592, that multiplied together give a 5-th power (5153632 = 225).

The spelling of 12142592 in words is "twelve million, one hundred forty-two thousand, five hundred ninety-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 49 56 64 77 88 98 112 121 128 154 176 196 224 242 256 308 352 392 448 484 512 539 616 704 784 847 896 968 1024 1078 1232 1408 1568 1694 1792 1936 2048 2156 2464 2816 3136 3388 3584 3872 4312 4928 5632 5929 6272 6776 7168 7744 8624 9856 11264 11858 12544 13552 14336 15488 17248 19712 22528 23716 25088 27104 30976 34496 39424 47432 50176 54208 61952 68992 78848 94864 100352 108416 123904 137984 157696 189728 216832 247808 275968 379456 433664 551936 758912 867328 1103872 1517824 1734656 3035648 6071296 12142592