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620464229 = 7118057977
BaseRepresentation
bin100100111110111…
…000100001100101
31121020111211220122
4210332320201211
52232314323404
6141322411325
721242600420
oct4476704145
91536454818
10620464229
11299265a60
12153960b45
139b7123c8
145c5929b7
15397113be
hex24fb8865

620464229 has 8 divisors (see below), whose sum is σ = 773565888. Its totient is φ = 483478560.

The previous prime is 620464121. The next prime is 620464253. The reversal of 620464229 is 922464026.

620464229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620464229 - 220 = 619415653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620461229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4028912 + ... + 4029065.

It is an arithmetic number, because the mean of its divisors is an integer number (96695736).

Almost surely, 2620464229 is an apocalyptic number.

It is an amenable number.

620464229 is a deficient number, since it is larger than the sum of its proper divisors (153101659).

620464229 is a wasteful number, since it uses less digits than its factorization.

620464229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8057995.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 620464229 is about 24909.1193943102. The cubic root of 620464229 is about 852.9146672489.

The spelling of 620464229 in words is "six hundred twenty million, four hundred sixty-four thousand, two hundred twenty-nine".

Divisors: 1 7 11 77 8057977 56405839 88637747 620464229