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52200457 is a prime number
BaseRepresentation
bin1100011100100…
…0010000001001
310122020001120021
43013020100021
5101330403312
65102500441
71202460631
oct307102011
9118201507
1052200457
1127513a81
1215594721
13aa78b5a
146d0b6c1
1548b1c07
hex31c8409

52200457 has 2 divisors, whose sum is σ = 52200458. Its totient is φ = 52200456.

The previous prime is 52200433. The next prime is 52200461. The reversal of 52200457 is 75400225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43086096 + 9114361 = 6564^2 + 3019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52200457 is a prime.

It is a super-2 number, since 2×522004572 = 5449775422017698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52200157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26100228 + 26100229.

It is an arithmetic number, because the mean of its divisors is an integer number (26100229).

Almost surely, 252200457 is an apocalyptic number.

It is an amenable number.

52200457 is a deficient number, since it is larger than the sum of its proper divisors (1).

52200457 is an equidigital number, since it uses as much as digits as its factorization.

52200457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 52200457 is about 7224.9883736931. The cubic root of 52200457 is about 373.7301212009.

The spelling of 52200457 in words is "fifty-two million, two hundred thousand, four hundred fifty-seven".