Search a number
-
+
159860428 = 22713312457
BaseRepresentation
bin10011000011101…
…00011011001100
3102010210202021121
421201310123030
5311411013203
623510210324
73650535250
oct1141643314
9363722247
10159860428
1182267562
12456539a4
1327172090
1417334260
15e07b0bd
hex98746cc

159860428 has 72 divisors (see below), whose sum is σ = 356558496. Its totient is φ = 61067520.

The previous prime is 159860413. The next prime is 159860431. The reversal of 159860428 is 824068951.

It is a happy number.

159860428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 349576 + ... + 350032.

Almost surely, 2159860428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159860428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178279248).

159860428 is an abundant number, since it is smaller than the sum of its proper divisors (196698068).

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

159860428 is a wasteful number, since it uses less digits than its factorization.

159860428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 159860428 is about 12643.5923692596. The cubic root of 159860428 is about 542.7256204394.

It can be divided in two parts, 1598 and 60428, that added together give a palindrome (62026).

The spelling of 159860428 in words is "one hundred fifty-nine million, eight hundred sixty thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 31 52 62 91 124 182 217 364 403 434 457 806 868 914 961 1612 1828 1922 2821 3199 3844 5642 5941 6398 6727 11284 11882 12493 12796 13454 14167 23764 24986 26908 28334 41587 49972 56668 83174 87451 99169 166348 174902 184171 198338 349804 368342 396676 439177 736684 878354 1289197 1756708 2578394 3074239 5156788 5709301 6148478 11418602 12296956 22837204 39965107 79930214 159860428