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620427041 = 13233257797
BaseRepresentation
bin100100111110101…
…111011100100001
31121020102221220022
4210332233130201
52232312131131
6141321523225
721242354123
oct4476573441
91536387808
10620427041
11299240023
12153943515
139b6cb4c0
145c583213
153970537b
hex24faf721

620427041 has 16 divisors (see below), whose sum is σ = 674475984. Its totient is φ = 567312384.

The previous prime is 620427029. The next prime is 620427043. The reversal of 620427041 is 140724026.

It can be written as a sum of positive squares in 8 ways, for example, as 616225 + 619810816 = 785^2 + 24896^2 .

It is a cyclic number.

It is not a de Polignac number, because 620427041 - 26 = 620426977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 620427041.

It is not an unprimeable number, because it can be changed into a prime (620427043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778055 + ... + 778851.

It is an arithmetic number, because the mean of its divisors is an integer number (42154749).

Almost surely, 2620427041 is an apocalyptic number.

It is an amenable number.

620427041 is a deficient number, since it is larger than the sum of its proper divisors (54048943).

620427041 is a wasteful number, since it uses less digits than its factorization.

620427041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 620427041 is about 24908.3729095258. The cubic root of 620427041 is about 852.8976268766.

The spelling of 620427041 in words is "six hundred twenty million, four hundred twenty-seven thousand, forty-one".

Divisors: 1 13 233 257 797 3029 3341 10361 59881 185701 204829 778453 2414113 2662777 47725157 620427041