Search a number
-
+
53802957 = 3132359981
BaseRepresentation
bin1100110100111…
…1011111001101
310202020110210010
43031033133031
5102233143312
65201103433
71222213635
oct315173715
9122213703
1053802957
1128408a5a
1216027b79
13b1ba390
1472076c5
154acb93c
hex334f7cd

53802957 has 16 divisors (see below), whose sum is σ = 80615808. Its totient is φ = 31669440.

The previous prime is 53802953. The next prime is 53802967. The reversal of 53802957 is 75920835.

It is not a de Polignac number, because 53802957 - 22 = 53802953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53802953) 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 15 ways as a sum of consecutive naturals, for example, 29094 + ... + 30887.

It is an arithmetic number, because the mean of its divisors is an integer number (5038488).

Almost surely, 253802957 is an apocalyptic number.

It is an amenable number.

53802957 is a deficient number, since it is larger than the sum of its proper divisors (26812851).

53802957 is a wasteful number, since it uses less digits than its factorization.

53802957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60020.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 53802957 is about 7335.0498975808. The cubic root of 53802957 is about 377.5160164542.

The spelling of 53802957 in words is "fifty-three million, eight hundred two thousand, nine hundred fifty-seven".

Divisors: 1 3 13 23 39 69 299 897 59981 179943 779753 1379563 2339259 4138689 17934319 53802957