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620207424 = 26321956671
BaseRepresentation
bin100100111101111…
…001110101000000
31121020000210122100
4210331321311000
52232233114144
6141313110400
721240450624
oct4475716500
91536023570
10620207424
11299100021
12153858400
139b652555
145c527184
15396b0269
hex24f79d40

620207424 has 84 divisors (see below), whose sum is σ = 1871309440. Its totient is φ = 195851520.

The previous prime is 620207411. The next prime is 620207429. The reversal of 620207424 is 424702026.

It is a happy number.

620207424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620207429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17392 + ... + 39279.

Almost surely, 2620207424 is an apocalyptic number.

620207424 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

620207424 is an abundant number, since it is smaller than the sum of its proper divisors (1251102016).

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

620207424 is a wasteful number, since it uses less digits than its factorization.

620207424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56708 (or 56695 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 620207424 is about 24903.9640218179. The cubic root of 620207424 is about 852.7969795743.

The spelling of 620207424 in words is "six hundred twenty million, two hundred seven thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 144 152 171 192 228 288 304 342 456 576 608 684 912 1216 1368 1824 2736 3648 5472 10944 56671 113342 170013 226684 340026 453368 510039 680052 906736 1020078 1076749 1360104 1813472 2040156 2153498 2720208 3230247 3626944 4080312 4306996 5440416 6460494 8160624 8613992 9690741 10880832 12920988 16321248 17227984 19381482 25841976 32642496 34455968 38762964 51683952 68911936 77525928 103367904 155051856 206735808 310103712 620207424