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1232820027 = 3345660001
BaseRepresentation
bin100100101111011…
…0101011100111011
310011220202202011000
41021132311130323
510011100220102
6322155340043
742356540325
oct11136653473
93156682130
101232820027
11582992a2a
122a4a51623
13168545c0a
14b9a34615
157337001c
hex497b573b

1232820027 has 8 divisors (see below), whose sum is σ = 1826400080. Its totient is φ = 821880000.

The previous prime is 1232820007. The next prime is 1232820047. The reversal of 1232820027 is 7200282321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1232820007) and next prime (1232820047).

It is not a de Polignac number, because 1232820027 - 28 = 1232819771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 45660001 = 1232820027 / (1 + 2 + 3 + 2 + 8 + 2 + 0 + 0 + 2 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232820007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22829974 + ... + 22830027.

It is an arithmetic number, because the mean of its divisors is an integer number (228300010).

Almost surely, 21232820027 is an apocalyptic number.

1232820027 is a deficient number, since it is larger than the sum of its proper divisors (593580053).

1232820027 is an equidigital number, since it uses as much as digits as its factorization.

1232820027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45660010 (or 45660004 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1232820027 is about 35111.5369501251. The cubic root of 1232820027 is about 1072.2594775811.

The spelling of 1232820027 in words is "one billion, two hundred thirty-two million, eight hundred twenty thousand, twenty-seven".

Divisors: 1 3 9 27 45660001 136980003 410940009 1232820027