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52702081 is a prime number
BaseRepresentation
bin1100100100001…
…0101110000001
310200011112122221
43021002232001
5101442431311
65121331041
71206650245
oct311025601
9120145587
1052702081
1127826943
1215796a81
13abc3283
146ddc425
154960671
hex3242b81

52702081 has 2 divisors, whose sum is σ = 52702082. Its totient is φ = 52702080.

The previous prime is 52702073. The next prime is 52702123. The reversal of 52702081 is 18020725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35892081 + 16810000 = 5991^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 52702081 - 23 = 52702073 is a prime.

It is a super-2 number, since 2×527020812 = 5555018683461122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52702021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26351040 + 26351041.

It is an arithmetic number, because the mean of its divisors is an integer number (26351041).

Almost surely, 252702081 is an apocalyptic number.

It is an amenable number.

52702081 is a deficient number, since it is larger than the sum of its proper divisors (1).

52702081 is an equidigital number, since it uses as much as digits as its factorization.

52702081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 52702081 is about 7259.6198936308. The cubic root of 52702081 is about 374.9234356280.

The spelling of 52702081 in words is "fifty-two million, seven hundred two thousand, eighty-one".