Search a number
-
+
53199957 = 3109162691
BaseRepresentation
bin1100101011110…
…0010001010101
310201002211121210
43022330101111
5102104344312
65140132033
71214122626
oct312742125
9121084553
1053199957
1128036a08
1215997019
13b038a85
1470cba4d
154a0ce3c
hex32bc455

53199957 has 8 divisors (see below), whose sum is σ = 71584480. Its totient is φ = 35141040.

The previous prime is 53199931. The next prime is 53199959. The reversal of 53199957 is 75999135.

53199957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53199957 - 214 = 53183573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53199959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81019 + ... + 81672.

It is an arithmetic number, because the mean of its divisors is an integer number (8948060).

Almost surely, 253199957 is an apocalyptic number.

It is an amenable number.

53199957 is a deficient number, since it is larger than the sum of its proper divisors (18384523).

53199957 is a wasteful number, since it uses less digits than its factorization.

53199957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162803.

The product of its digits is 382725, while the sum is 48.

The square root of 53199957 is about 7293.8300638279. The cubic root of 53199957 is about 376.1003697832.

The spelling of 53199957 in words is "fifty-three million, one hundred ninety-nine thousand, nine hundred fifty-seven".

Divisors: 1 3 109 327 162691 488073 17733319 53199957