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47128453 is a prime number
BaseRepresentation
bin1011001111000…
…1111110000101
310021200101002021
42303301332011
544031102303
64402043141
71111404511
oct263617605
9107611067
1047128453
112466a339
12139494b1
1399c1378
14638b141
15420debd
hex2cf1f85

47128453 has 2 divisors, whose sum is σ = 47128454. Its totient is φ = 47128452.

The previous prime is 47128447. The next prime is 47128457. The reversal of 47128453 is 35482174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46009089 + 1119364 = 6783^2 + 1058^2 .

It is a cyclic number.

It is not a de Polignac number, because 47128453 - 25 = 47128421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47128457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23564226 + 23564227.

It is an arithmetic number, because the mean of its divisors is an integer number (23564227).

Almost surely, 247128453 is an apocalyptic number.

It is an amenable number.

47128453 is a deficient number, since it is larger than the sum of its proper divisors (1).

47128453 is an equidigital number, since it uses as much as digits as its factorization.

47128453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 47128453 is about 6865.0166059522. The cubic root of 47128453 is about 361.2110781292.

The spelling of 47128453 in words is "forty-seven million, one hundred twenty-eight thousand, four hundred fifty-three".