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1345212430 = 25433128401
BaseRepresentation
bin101000000101110…
…0101000000001110
310110202020212112121
41100023211000032
510223333244210
6341252323154
745223055062
oct12013450016
93422225477
101345212430
11630379011
123166134ba
131859081b3
14ca92daa2
157d1716da
hex502e500e

1345212430 has 16 divisors (see below), whose sum is σ = 2477694384. Its totient is φ = 525571200.

The previous prime is 1345212389. The next prime is 1345212433. The reversal of 1345212430 is 342125431.

It is a junction number, because it is equal to n+sod(n) for n = 1345212395 and 1345212404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345212433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563771 + ... + 1564630.

It is an arithmetic number, because the mean of its divisors is an integer number (154855899).

Almost surely, 21345212430 is an apocalyptic number.

1345212430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345212430 is a deficient number, since it is larger than the sum of its proper divisors (1132481954).

1345212430 is a wasteful number, since it uses less digits than its factorization.

1345212430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128451.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1345212430 is about 36677.1377018436. The cubic root of 1345212430 is about 1103.9014162959.

Adding to 1345212430 its reverse (342125431), we get a palindrome (1687337861).

The spelling of 1345212430 in words is "one billion, three hundred forty-five million, two hundred twelve thousand, four hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 3128401 6256802 15642005 31284010 134521243 269042486 672606215 1345212430