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4978453 is a prime number
BaseRepresentation
bin10010111111011100010101
3100100221011011
4102333130111
52233302303
6254412221
760213304
oct22773425
910327134
104978453
1128a0427
121801071
13105403c
1493843b
1568516d
hex4bf715

4978453 has 2 divisors, whose sum is σ = 4978454. Its totient is φ = 4978452.

The previous prime is 4978451. The next prime is 4978471. The reversal of 4978453 is 3548794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4656964 + 321489 = 2158^2 + 567^2 .

It is a cyclic number.

It is not a de Polignac number, because 4978453 - 21 = 4978451 is a prime.

Together with 4978451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4978451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489226 + 2489227.

It is an arithmetic number, because the mean of its divisors is an integer number (2489227).

Almost surely, 24978453 is an apocalyptic number.

It is an amenable number.

4978453 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978453 is an equidigital number, since it uses as much as digits as its factorization.

4978453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 4978453 is about 2231.2447198817. The cubic root of 4978453 is about 170.7516086330.

The spelling of 4978453 in words is "four million, nine hundred seventy-eight thousand, four hundred fifty-three".