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1534145536 = 21071119457
BaseRepresentation
bin101101101110001…
…0011010000000000
310221220202200001001
41123130103100000
511120220124121
6412122021344
753006010340
oct13334232000
93856680031
101534145536
11717a92280
12369947854
131b5ab9131
14107a70d20
158ea41991
hex5b713400

1534145536 has 88 divisors (see below), whose sum is σ = 3823730496. Its totient is φ = 597688320.

The previous prime is 1534145531. The next prime is 1534145573. The reversal of 1534145536 is 6355414351.

It is a tau number, because it is divible by the number of its divisors (88).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1534145495 and 1534145504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534145531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69120 + ... + 88576.

Almost surely, 21534145536 is an apocalyptic number.

1534145536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1534145536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1911865248).

1534145536 is an abundant number, since it is smaller than the sum of its proper divisors (2289584960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1534145536 is a wasteful number, since it uses less digits than its factorization.

1534145536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19495 (or 19477 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 1534145536 is about 39168.1699342719. The cubic root of 1534145536 is about 1153.3351289877.

Adding to 1534145536 its reverse (6355414351), we get a palindrome (7889559887).

The spelling of 1534145536 in words is "one billion, five hundred thirty-four million, one hundred forty-five thousand, five hundred thirty-six".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 128 154 176 224 256 308 352 448 512 616 704 896 1024 1232 1408 1792 2464 2816 3584 4928 5632 7168 9856 11264 19457 19712 38914 39424 77828 78848 136199 155656 214027 272398 311312 428054 544796 622624 856108 1089592 1245248 1498189 1712216 2179184 2490496 2996378 3424432 4358368 4980992 5992756 6848864 8716736 9961984 11985512 13697728 17433472 19923968 23971024 27395456 34866944 47942048 54790912 69733888 95884096 109581824 139467776 191768192 219163648 383536384 767072768 1534145536