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620858042 = 272912712041
BaseRepresentation
bin100101000000011…
…000101010111010
31121021020212010022
4211000120222322
52232414424132
6141335050442
721246130520
oct4500305272
91537225108
10620858042
11299504922
12153b10a22
139b81c72c
145c656310
153978ce12
hex25018aba

620858042 has 32 divisors (see below), whose sum is σ = 1109790720. Its totient is φ = 254862720.

The previous prime is 620858027. The next prime is 620858057. The reversal of 620858042 is 240858026.

It is an interprime number because it is at equal distance from previous prime (620858027) and next prime (620858057).

It is a junction number, because it is equal to n+sod(n) for n = 620857993 and 620858011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45542 + ... + 57582.

It is an arithmetic number, because the mean of its divisors is an integer number (34680960).

Almost surely, 2620858042 is an apocalyptic number.

620858042 is a deficient number, since it is larger than the sum of its proper divisors (488932678).

620858042 is a wasteful number, since it uses less digits than its factorization.

620858042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12206.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 620858042 is about 24917.0231368035. The cubic root of 620858042 is about 853.0950793927.

The spelling of 620858042 in words is "six hundred twenty million, eight hundred fifty-eight thousand, forty-two".

Divisors: 1 2 7 14 29 58 127 203 254 406 889 1778 3683 7366 12041 24082 25781 51562 84287 168574 349189 698378 1529207 2444323 3058414 4888646 10704449 21408898 44347003 88694006 310429021 620858042