Search a number
-
+
620202455 = 5201161681
BaseRepresentation
bin100100111101111…
…000100111010111
31121020000112211022
4210331320213113
52232232434310
6141313031355
721240430265
oct4475704727
91536015738
10620202455
112990a7314
1215385555b
139b650202
145c525435
15396ada55
hex24f789d7

620202455 has 8 divisors (see below), whose sum is σ = 744625104. Its totient is φ = 495907200.

The previous prime is 620202431. The next prime is 620202467. The reversal of 620202455 is 554202026.

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

It is not a de Polignac number, because 620202455 - 26 = 620202391 is a prime.

It is a Duffinian number.

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, 20786 + ... + 40895.

It is an arithmetic number, because the mean of its divisors is an integer number (93078138).

Almost surely, 2620202455 is an apocalyptic number.

620202455 is a deficient number, since it is larger than the sum of its proper divisors (124422649).

620202455 is a wasteful number, since it uses less digits than its factorization.

620202455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63697.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 620202455 is about 24903.8642583837. The cubic root of 620202455 is about 852.7947020785.

The spelling of 620202455 in words is "six hundred twenty million, two hundred two thousand, four hundred fifty-five".

Divisors: 1 5 2011 10055 61681 308405 124040491 620202455