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620463480 = 233572138117
BaseRepresentation
bin100100111110111…
…000010101111000
31121020111210212220
4210332320111320
52232314312410
6141322404040
721242565300
oct4476702570
91536453786
10620463480
1129926543a
12153960620
139b711c70
145c592600
1539711070
hex24fb8578

620463480 has 192 divisors, whose sum is σ = 2332139040. Its totient is φ = 130894848.

The previous prime is 620463409. The next prime is 620463491. The reversal of 620463480 is 84364026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72382 + ... + 80498.

Almost surely, 2620463480 is an apocalyptic number.

620463480 is a gapful number since it is divisible by the number (60) 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 620463480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1166069520).

620463480 is an abundant number, since it is smaller than the sum of its proper divisors (1711675560).

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

620463480 is a wasteful number, since it uses less digits than its factorization.

620463480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8158 (or 8147 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 620463480 is about 24909.1043596513. The cubic root of 620463480 is about 852.9143240470.

The spelling of 620463480 in words is "six hundred twenty million, four hundred sixty-three thousand, four hundred eighty".