Search a number
-
+
620620896 = 2537923543
BaseRepresentation
bin100100111111011…
…110110001100000
31121020210210211010
4210333132301200
52232334332041
6141330020520
721244122240
oct4477366140
91536723733
10620620896
11299362735
12153a17740
139b7687cc
145c5d3b20
1539742a16
hex24fdec60

620620896 has 48 divisors (see below), whose sum is σ = 1861864704. Its totient is φ = 177320064.

The previous prime is 620620879. The next prime is 620620907. The reversal of 620620896 is 698026026.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461100 + ... + 462443.

It is an arithmetic number, because the mean of its divisors is an integer number (38788848).

Almost surely, 2620620896 is an apocalyptic number.

It is an amenable number.

620620896 is an abundant number, since it is smaller than the sum of its proper divisors (1241243808).

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

620620896 is a wasteful number, since it uses less digits than its factorization.

620620896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923563 (or 923555 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 620620896 is about 24912.2639677730. The cubic root of 620620896 is about 852.9864480923.

The spelling of 620620896 in words is "six hundred twenty million, six hundred twenty thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 923543 1847086 2770629 3694172 5541258 6464801 7388344 11082516 12929602 14776688 19394403 22165032 25859204 29553376 38788806 44330064 51718408 77577612 88660128 103436816 155155224 206873632 310310448 620620896