Search a number
-
+
53880129 = 3224124841
BaseRepresentation
bin1100110110001…
…0010101000001
310202101101122100
43031202111001
5102243131004
65202501013
71222654632
oct315422501
9122341570
1053880129
1128460a36
1216064769
13b216544
147227889
154ae4739
hex3362541

53880129 has 12 divisors (see below), whose sum is σ = 78152932. Its totient is φ = 35769600.

The previous prime is 53880107. The next prime is 53880149. The reversal of 53880129 is 92108835.

It can be written as a sum of positive squares in 2 ways, for example, as 20007729 + 33872400 = 4473^2 + 5820^2 .

It is not a de Polignac number, because 53880129 - 25 = 53880097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53880093 and 53880102.

It is not an unprimeable number, because it can be changed into a prime (53880149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10252 + ... + 14589.

Almost surely, 253880129 is an apocalyptic number.

It is an amenable number.

53880129 is a deficient number, since it is larger than the sum of its proper divisors (24272803).

53880129 is a wasteful number, since it uses less digits than its factorization.

53880129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25088 (or 25085 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 53880129 is about 7340.3085085029. The cubic root of 53880129 is about 377.6964262897.

The spelling of 53880129 in words is "fifty-three million, eight hundred eighty thousand, one hundred twenty-nine".

Divisors: 1 3 9 241 723 2169 24841 74523 223569 5986681 17960043 53880129