Search a number
-
+
50353254440 = 23510331218617
BaseRepresentation
bin101110111001010010…
…011011000000101000
311210222012112100121122
4232321102123000220
51311110413120230
635044300554412
73431541413036
oct567122330050
9153865470548
1050353254440
111a39a110375
129913252a08
134995cc5318
142619607556
15149a8c2be5
hexbb949b028

50353254440 has 32 divisors (see below), whose sum is σ = 113404591080. Its totient is φ = 20121787392.

The previous prime is 50353254409. The next prime is 50353254443. The reversal of 50353254440 is 4445235305.

It can be written as a sum of positive squares in 4 ways, for example, as 49455532996 + 897721444 = 222386^2 + 29962^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50353254440.

It is not an unprimeable number, because it can be changed into a prime (50353254443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567989 + ... + 650628.

Almost surely, 250353254440 is an apocalyptic number.

It is an amenable number.

50353254440 is an abundant number, since it is smaller than the sum of its proper divisors (63051336640).

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

50353254440 is a wasteful number, since it uses less digits than its factorization.

50353254440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219661 (or 1219657 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 50353254440 its reverse (4445235305), we get a palindrome (54798489745).

The spelling of 50353254440 in words is "fifty billion, three hundred fifty-three million, two hundred fifty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1033 2066 4132 5165 8264 10330 20660 41320 1218617 2437234 4874468 6093085 9748936 12186170 24372340 48744680 1258831361 2517662722 5035325444 6294156805 10070650888 12588313610 25176627220 50353254440