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5206256020 = 225737187543
BaseRepresentation
bin1001101100101000…
…10010100110010100
3111102211111012122001
410312110102212110
541130300143040
62220340045044
7243005305660
oct46624224624
914384435561
105206256020
112231883229
121013693784
1364c7c6584
143756318a0
152070e959a
hex136512994

5206256020 has 24 divisors (see below), whose sum is σ = 12495014784. Its totient is φ = 1785002016.

The previous prime is 5206256009. The next prime is 5206256021. The reversal of 5206256020 is 206526025.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 5206256020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206256021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18593632 + ... + 18593911.

It is an arithmetic number, because the mean of its divisors is an integer number (520625616).

Almost surely, 25206256020 is an apocalyptic number.

It is an amenable number.

5206256020 is an abundant number, since it is smaller than the sum of its proper divisors (7288758764).

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

5206256020 is a wasteful number, since it uses less digits than its factorization.

5206256020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37187559 (or 37187557 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 5206256020 is about 72154.3901644245. The cubic root of 5206256020 is about 1733.1727026524.

The spelling of 5206256020 in words is "five billion, two hundred six million, two hundred fifty-six thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 37187543 74375086 148750172 185937715 260312801 371875430 520625602 743750860 1041251204 1301564005 2603128010 5206256020