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7228452361 = 133131776469
BaseRepresentation
bin1101011101101100…
…10110111000001001
3200122202121102111211
412232312112320021
5104300440433421
63153134453121
7344061555064
oct65666267011
920582542454
107228452361
11307a300279
1214989641a1
138b2742960
144c80278db
152c48e39e1
hex1aed96e09

7228452361 has 8 divisors (see below), whose sum is σ = 7809362120. Its totient is φ = 6651096192.

The previous prime is 7228452337. The next prime is 7228452389. The reversal of 7228452361 is 1632548227.

It can be written as a sum of positive squares in 4 ways, for example, as 211877136 + 7016575225 = 14556^2 + 83765^2 .

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

It is not a de Polignac number, because 7228452361 - 29 = 7228451849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7228452331) 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, 884166 + ... + 892303.

It is an arithmetic number, because the mean of its divisors is an integer number (976170265).

Almost surely, 27228452361 is an apocalyptic number.

It is an amenable number.

7228452361 is a deficient number, since it is larger than the sum of its proper divisors (580909759).

7228452361 is a wasteful number, since it uses less digits than its factorization.

7228452361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776795.

The product of its digits is 161280, while the sum is 40.

The square root of 7228452361 is about 85020.3055804906. The cubic root of 7228452361 is about 1933.5189864886.

The spelling of 7228452361 in words is "seven billion, two hundred twenty-eight million, four hundred fifty-two thousand, three hundred sixty-one".

Divisors: 1 13 313 4069 1776469 23094097 556034797 7228452361