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47530501 is a prime number
BaseRepresentation
bin1011010101010…
…0001000000101
310022102210120221
42311110020011
544131434001
64414424341
71115000614
oct265241005
9108383527
1047530501
1124914407
1213b020b1
139b02375
14645387b
15428d1a1
hex2d54205

47530501 has 2 divisors, whose sum is σ = 47530502. Its totient is φ = 47530500.

The previous prime is 47530463. The next prime is 47530517. The reversal of 47530501 is 10503574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46253601 + 1276900 = 6801^2 + 1130^2 .

It is a cyclic number.

It is not a de Polignac number, because 47530501 - 215 = 47497733 is a prime.

It is a super-2 number, since 2×475305012 = 4518297050622002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47530591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23765250 + 23765251.

It is an arithmetic number, because the mean of its divisors is an integer number (23765251).

Almost surely, 247530501 is an apocalyptic number.

It is an amenable number.

47530501 is a deficient number, since it is larger than the sum of its proper divisors (1).

47530501 is an equidigital number, since it uses as much as digits as its factorization.

47530501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 47530501 is about 6894.2367960493. The cubic root of 47530501 is about 362.2353226088.

It can be divided in two parts, 475 and 30501, that added together give a square (30976 = 1762).

The spelling of 47530501 in words is "forty-seven million, five hundred thirty thousand, five hundred one".