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474811913 is a prime number
BaseRepresentation
bin11100010011010…
…000111000001001
31020002102221111102
4130103100320021
51433022440123
6115040511145
714523556202
oct3423207011
91202387442
10474811913
11224023244
1211301b4b5
13774a63c4
14470ba5a9
152ba40028
hex1c4d0e09

474811913 has 2 divisors, whose sum is σ = 474811914. Its totient is φ = 474811912.

The previous prime is 474811879. The next prime is 474811927. The reversal of 474811913 is 319118474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 473628169 + 1183744 = 21763^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 474811913 - 26 = 474811849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (474811933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237405956 + 237405957.

It is an arithmetic number, because the mean of its divisors is an integer number (237405957).

Almost surely, 2474811913 is an apocalyptic number.

It is an amenable number.

474811913 is a deficient number, since it is larger than the sum of its proper divisors (1).

474811913 is an equidigital number, since it uses as much as digits as its factorization.

474811913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 38.

The square root of 474811913 is about 21790.1792787485. The cubic root of 474811913 is about 780.1423764863.

It can be divided in two parts, 47481 and 1913, that added together give a palindrome (49394).

The spelling of 474811913 in words is "four hundred seventy-four million, eight hundred eleven thousand, nine hundred thirteen".