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474949 is a prime number
BaseRepresentation
bin1110011111101000101
3220010111201
41303331011
5110144244
614102501
74015456
oct1637505
9803451
10474949
112a4922
121aaa31
13138247
14c512d
1595ad4
hex73f45

474949 has 2 divisors, whose sum is σ = 474950. Its totient is φ = 474948.

The previous prime is 474941. The next prime is 474959. The reversal of 474949 is 949474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381924 + 93025 = 618^2 + 305^2 .

It is a cyclic number.

It is not a de Polignac number, because 474949 - 23 = 474941 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237474 + 237475.

It is an arithmetic number, because the mean of its divisors is an integer number (237475).

2474949 is an apocalyptic number.

It is an amenable number.

474949 is a deficient number, since it is larger than the sum of its proper divisors (1).

474949 is an equidigital number, since it uses as much as digits as its factorization.

474949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 474949 is about 689.1654373226. The cubic root of 474949 is about 78.0217449783.

It can be divided in two parts, 474 and 949, that multiplied together give a triangular number (449826 = T948).

The spelling of 474949 in words is "four hundred seventy-four thousand, nine hundred forty-nine".