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1380457535 = 5276091507
BaseRepresentation
bin101001001001000…
…0001110000111111
310120012120111201212
41102102001300333
510311344120120
6344551555035
746131460352
oct12222016077
93505514655
101380457535
116492611a6
1232638ba7b
1318ccc86a2
14d14a6299
15812d46c5
hex52481c3f

1380457535 has 4 divisors (see below), whose sum is σ = 1656549048. Its totient is φ = 1104366024.

The previous prime is 1380457523. The next prime is 1380457541. The reversal of 1380457535 is 5357540831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5357540831 = 14533687227.

It is a cyclic number.

It is not a de Polignac number, because 1380457535 - 26 = 1380457471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1380457492 and 1380457501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138045749 + ... + 138045758.

It is an arithmetic number, because the mean of its divisors is an integer number (414137262).

Almost surely, 21380457535 is an apocalyptic number.

1380457535 is a deficient number, since it is larger than the sum of its proper divisors (276091513).

1380457535 is an equidigital number, since it uses as much as digits as its factorization.

1380457535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276091512.

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 1380457535 is about 37154.5089457525. The cubic root of 1380457535 is about 1113.4593090645.

The spelling of 1380457535 in words is "one billion, three hundred eighty million, four hundred fifty-seven thousand, five hundred thirty-five".

Divisors: 1 5 276091507 1380457535