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1534042231 = 10091520359
BaseRepresentation
bin101101101101111…
…1010000001110111
310221220120102022221
41123123322001313
511120203322411
6412115503211
753005100221
oct13333720167
93856512287
101534042231
11717a216a7
123698b7b07
131b5a810c7
14107a45411
158ea21071
hex5b6fa077

1534042231 has 4 divisors (see below), whose sum is σ = 1535563600. Its totient is φ = 1532520864.

The previous prime is 1534042219. The next prime is 1534042241. The reversal of 1534042231 is 1322404351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1534042231 - 219 = 1533517943 is a prime.

It is a super-2 number, since 2×15340422312 = 4706571132982914722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1534042196 and 1534042205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534042241) 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 3 ways as a sum of consecutive naturals, for example, 759171 + ... + 761188.

It is an arithmetic number, because the mean of its divisors is an integer number (383890900).

Almost surely, 21534042231 is an apocalyptic number.

1534042231 is a deficient number, since it is larger than the sum of its proper divisors (1521369).

1534042231 is a wasteful number, since it uses less digits than its factorization.

1534042231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521368.

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

The square root of 1534042231 is about 39166.8511754519. The cubic root of 1534042231 is about 1153.3092409701.

Adding to 1534042231 its reverse (1322404351), we get a palindrome (2856446582).

The spelling of 1534042231 in words is "one billion, five hundred thirty-four million, forty-two thousand, two hundred thirty-one".

Divisors: 1 1009 1520359 1534042231