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1422013545 = 32531600301
BaseRepresentation
bin101010011000010…
…0011010001101001
310200002202202212100
41110300203101221
510403013413140
6353034404013
750144626041
oct12460432151
93602682770
101422013545
1166a764907
12338290609
131987b8544
14d6c02721
1584c92530
hex54c23469

1422013545 has 12 divisors (see below), whose sum is σ = 2464823556. Its totient is φ = 758407200.

The previous prime is 1422013543. The next prime is 1422013547. The reversal of 1422013545 is 5453102241.

It is an interprime number because it is at equal distance from previous prime (1422013543) and next prime (1422013547).

It can be written as a sum of positive squares in 2 ways, for example, as 461261529 + 960752016 = 21477^2 + 30996^2 .

It is not a de Polignac number, because 1422013545 - 21 = 1422013543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1422013543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15800106 + ... + 15800195.

It is an arithmetic number, because the mean of its divisors is an integer number (205401963).

Almost surely, 21422013545 is an apocalyptic number.

1422013545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1422013545 is a deficient number, since it is larger than the sum of its proper divisors (1042810011).

1422013545 is a wasteful number, since it uses less digits than its factorization.

1422013545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31600312 (or 31600309 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1422013545 is about 37709.5948665588. The cubic root of 1422013545 is about 1124.5218827582.

Adding to 1422013545 its reverse (5453102241), we get a palindrome (6875115786).

The spelling of 1422013545 in words is "one billion, four hundred twenty-two million, thirteen thousand, five hundred forty-five".

Divisors: 1 3 5 9 15 45 31600301 94800903 158001505 284402709 474004515 1422013545