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502668941 = 1573201713
BaseRepresentation
bin11101111101100…
…001111010001101
31022000212020011012
4131331201322031
52012140401231
6121513535005
715312421055
oct3575417215
91260766135
10502668941
1123881a685
12120414465
13801aab58
144aa8c565
152e1e3e2b
hex1df61e8d

502668941 has 4 divisors (see below), whose sum is σ = 505870812. Its totient is φ = 499467072.

The previous prime is 502668911. The next prime is 502668949. The reversal of 502668941 is 149866205.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 194490916 + 308178025 = 13946^2 + 17555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-502668941 is a prime.

It is a super-2 number, since 2×5026689412 = 505352128492122962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502668949) 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, 1600700 + ... + 1601013.

It is an arithmetic number, because the mean of its divisors is an integer number (126467703).

Almost surely, 2502668941 is an apocalyptic number.

It is an amenable number.

502668941 is a deficient number, since it is larger than the sum of its proper divisors (3201871).

502668941 is a wasteful number, since it uses less digits than its factorization.

502668941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201870.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 502668941 is about 22420.2796815740. The cubic root of 502668941 is about 795.1102472267.

The spelling of 502668941 in words is "five hundred two million, six hundred sixty-eight thousand, nine hundred forty-one".

Divisors: 1 157 3201713 502668941