Search a number
-
+
42254460 = 2234526083
BaseRepresentation
bin1010000100110…
…0000001111100
32221111202020000
42201030001330
541304120320
64105354300
71022104563
oct241140174
987452200
1042254460
1121940446
1212198990
1389a5a51
14587cbda
153a99c90
hex284c07c

42254460 has 60 divisors (see below), whose sum is σ = 132558888. Its totient is φ = 11267424.

The previous prime is 42254449. The next prime is 42254489. The reversal of 42254460 is 6445224.

It is a tau number, because it is divible by the number of its divisors (60).

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 19 ways as a sum of consecutive naturals, for example, 11422 + ... + 14661.

Almost surely, 242254460 is an apocalyptic number.

It is an amenable number.

42254460 is an abundant number, since it is smaller than the sum of its proper divisors (90304428).

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

42254460 is a wasteful number, since it uses less digits than its factorization.

42254460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26104 (or 26093 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 42254460 is about 6500.3430678696. The cubic root of 42254460 is about 348.3032434091.

Adding to 42254460 its reverse (6445224), we get a palindrome (48699684).

The spelling of 42254460 in words is "forty-two million, two hundred fifty-four thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 26083 52166 78249 104332 130415 156498 234747 260830 312996 391245 469494 521660 704241 782490 938988 1173735 1408482 1564980 2112723 2347470 2816964 3521205 4225446 4694940 7042410 8450892 10563615 14084820 21127230 42254460