Search a number
-
+
52447874428 = 22171831421241
BaseRepresentation
bin110000110110001000…
…110000110101111100
312000101011221002001201
4300312020300311330
51324403123440203
640032203545244
73534464401615
oct606610606574
9160334832051
1052447874428
1120274504374
12a1b882b224
134c3ac4b431
142777892c0c
15156e725e1d
hexc36230d7c

52447874428 has 24 divisors (see below), whose sum is σ = 97236133344. Its totient is φ = 24667814400.

The previous prime is 52447874389. The next prime is 52447874429. The reversal of 52447874428 is 82447874425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52447874429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86113 + ... + 335128.

It is an arithmetic number, because the mean of its divisors is an integer number (4051505556).

Almost surely, 252447874428 is an apocalyptic number.

It is an amenable number.

52447874428 is a deficient number, since it is larger than the sum of its proper divisors (44788258916).

52447874428 is a wasteful number, since it uses less digits than its factorization.

52447874428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423093 (or 423091 counting only the distinct ones).

The product of its digits is 16056320, while the sum is 55.

The spelling of 52447874428 in words is "fifty-two billion, four hundred forty-seven million, eight hundred seventy-four thousand, four hundred twenty-eight".

Divisors: 1 2 4 17 34 68 1831 3662 7324 31127 62254 124508 421241 842482 1684964 7161097 14322194 28644388 771292271 1542584542 3085169084 13111968607 26223937214 52447874428