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620848704 = 26371729937
BaseRepresentation
bin100101000000010…
…110011001000000
31121021020101022110
4211000112121000
52232414124304
6141334535320
721246061350
oct4500263100
91537211273
10620848704
112994a8903
12153b07540
139b8183c8
145c652b60
153978a289
hex25016640

620848704 has 224 divisors, whose sum is σ = 2058497280. Its totient is φ = 161021952.

The previous prime is 620848703. The next prime is 620848727. The reversal of 620848704 is 407848026.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×6208487042 = 770906226516959232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (620848703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662124 + ... + 663060.

It is an arithmetic number, because the mean of its divisors is an integer number (9189720).

Almost surely, 2620848704 is an apocalyptic number.

620848704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620848704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029248640).

620848704 is an abundant number, since it is smaller than the sum of its proper divisors (1437648576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620848704 is a wasteful number, since it uses less digits than its factorization.

620848704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 620848704 is about 24916.8357541643. The cubic root of 620848704 is about 853.0908023861.

The spelling of 620848704 in words is "six hundred twenty million, eight hundred forty-eight thousand, seven hundred four".