Search a number
-
+
620466047 is a prime number
BaseRepresentation
bin100100111110111…
…000111101111111
31121020111221101222
4210332320331333
52232314403142
6141322423555
721242605625
oct4476707577
91536457358
10620466047
11299267363
12153961bbb
139b713196
145c593515
1539711bd2
hex24fb8f7f

620466047 has 2 divisors, whose sum is σ = 620466048. Its totient is φ = 620466046.

The previous prime is 620466037. The next prime is 620466053. The reversal of 620466047 is 740664026.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620466047 - 210 = 620465023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620465998 and 620466016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620466037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310233023 + 310233024.

It is an arithmetic number, because the mean of its divisors is an integer number (310233024).

Almost surely, 2620466047 is an apocalyptic number.

620466047 is a deficient number, since it is larger than the sum of its proper divisors (1).

620466047 is an equidigital number, since it uses as much as digits as its factorization.

620466047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 620466047 is about 24909.1558869425. The cubic root of 620466047 is about 852.9155002796.

The spelling of 620466047 in words is "six hundred twenty million, four hundred sixty-six thousand, forty-seven".