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5001965 = 51000393
BaseRepresentation
bin10011000101001011101101
3100102010101222
4103011023231
52240030330
6255113125
760341663
oct23051355
910363358
105001965
112907061
1218127a5
131061957
14942c33
1568c0e5
hex4c52ed

5001965 has 4 divisors (see below), whose sum is σ = 6002364. Its totient is φ = 4001568.

The previous prime is 5001923. The next prime is 5001967. The reversal of 5001965 is 5691005.

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 2253001 + 2748964 = 1501^2 + 1658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5001965 is a prime.

It is a super-2 number, since 2×50019652 = 50039307722450, 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 (5001967) 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, 500192 + ... + 500201.

It is an arithmetic number, because the mean of its divisors is an integer number (1500591).

Almost surely, 25001965 is an apocalyptic number.

It is an amenable number.

5001965 is a deficient number, since it is larger than the sum of its proper divisors (1000399).

5001965 is a wasteful number, since it uses less digits than its factorization.

5001965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000398.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 5001965 is about 2236.5073216960. The cubic root of 5001965 is about 171.0199924187.

The spelling of 5001965 in words is "five million, one thousand, nine hundred sixty-five".

Divisors: 1 5 1000393 5001965