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502155053 = 1823327541
BaseRepresentation
bin11101111011100…
…100011100101101
31021222220010020022
4131323210130231
52012022430203
6121454531525
715305150621
oct3573443455
91258803208
10502155053
112384a9584
12120206ba5
138005ac8a
144a997181
152e141a38
hex1dee472d

502155053 has 4 divisors (see below), whose sum is σ = 502200828. Its totient is φ = 502109280.

The previous prime is 502155037. The next prime is 502155091. The reversal of 502155053 is 350551205.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 350551205 = 570110241.

It can be written as a sum of positive squares in 2 ways, for example, as 260725609 + 241429444 = 16147^2 + 15538^2 .

It is a cyclic number.

It is not a de Polignac number, because 502155053 - 24 = 502155037 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 (502155253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4463 + ... + 32003.

It is an arithmetic number, because the mean of its divisors is an integer number (125550207).

Almost surely, 2502155053 is an apocalyptic number.

It is an amenable number.

502155053 is a deficient number, since it is larger than the sum of its proper divisors (45775).

502155053 is a wasteful number, since it uses less digits than its factorization.

502155053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45774.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 502155053 is about 22408.8164122963. The cubic root of 502155053 is about 794.8392027415.

The spelling of 502155053 in words is "five hundred two million, one hundred fifty-five thousand, fifty-three".

Divisors: 1 18233 27541 502155053