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620016245 = 5472638367
BaseRepresentation
bin100100111101001…
…011001001110101
31121012200002101122
4210331023021311
52232211004440
6141305033325
721236023352
oct4475131165
91535602348
10620016245
11298a8a422
12153785845
139b5b6524
145c4b7629
15396737b5
hex24f4b275

620016245 has 8 divisors (see below), whose sum is σ = 759849984. Its totient is φ = 485459344.

The previous prime is 620016239. The next prime is 620016277. The reversal of 620016245 is 542610026.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-620016245 is a prime.

It is a Duffinian number.

It is a Curzon 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, 1318949 + ... + 1319418.

It is an arithmetic number, because the mean of its divisors is an integer number (94981248).

Almost surely, 2620016245 is an apocalyptic number.

It is an amenable number.

620016245 is a deficient number, since it is larger than the sum of its proper divisors (139833739).

620016245 is a wasteful number, since it uses less digits than its factorization.

620016245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638419.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 620016245 is about 24900.1254012907. The cubic root of 620016245 is about 852.7093456515.

The spelling of 620016245 in words is "six hundred twenty million, sixteen thousand, two hundred forty-five".

Divisors: 1 5 47 235 2638367 13191835 124003249 620016245