Search a number
-
+
52380256442 = 22321815232
BaseRepresentation
bin110000110010000110…
…110100100010111010
312000012110200201121212
4300302012310202322
51324233321201232
640021350403122
73533013555623
oct606206644272
9160173621555
1052380256442
112023a31aa38
12a19a0604a2
134c29c34ba7
14276c8d0a4a
15156881aeb2
hexc321b48ba

52380256442 has 36 divisors (see below), whose sum is σ = 82747014714. Its totient is φ = 24865386480.

The previous prime is 52380256433. The next prime is 52380256451. The reversal of 52380256442 is 24465208325.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52380256433) and next prime (52380256451).

It can be written as a sum of positive squares in only one way, i.e., 52235559601 + 144696841 = 228551^2 + 12029^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52380256442.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 100153193 + ... + 100153715.

Almost surely, 252380256442 is an apocalyptic number.

52380256442 is a deficient number, since it is larger than the sum of its proper divisors (30366758272).

52380256442 is an equidigital number, since it uses as much as digits as its factorization.

52380256442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 52380256442 in words is "fifty-two billion, three hundred eighty million, two hundred fifty-six thousand, four hundred forty-two".

Divisors: 1 2 23 46 181 362 523 529 1046 1058 4163 8326 12029 24058 94663 95749 189326 191498 273529 276667 547058 553334 2177249 4354498 6291167 12582334 49508749 50076727 99017498 100153454 144696841 289393682 1138701227 2277402454 26190128221 52380256442