Search a number
-
+
30327858 = 236113161
BaseRepresentation
bin111001110110…
…0010000110010
32010001211000000
41303230100302
530230442413
63002010430
7515532261
oct163542062
963054000
1030327858
1116134850
12a1a6a16
13638b2a2
1440565d8
1529e1073
hex1cec432

30327858 has 112 divisors (see below), whose sum is σ = 78066432. Its totient is φ = 8748000.

The previous prime is 30327851. The next prime is 30327877. The reversal of 30327858 is 85872303.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (30327851) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 497148 + ... + 497208.

Almost surely, 230327858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30327858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39033216).

30327858 is an abundant number, since it is smaller than the sum of its proper divisors (47738574).

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

30327858 is a wasteful number, since it uses less digits than its factorization.

30327858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 30327858 is about 5507.0734514804. The cubic root of 30327858 is about 311.8510753759.

The spelling of 30327858 in words is "thirty million, three hundred twenty-seven thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 9 11 18 22 27 31 33 54 61 62 66 81 93 99 122 162 183 186 198 243 279 297 341 366 486 549 558 594 671 682 729 837 891 1023 1098 1342 1458 1647 1674 1782 1891 2013 2046 2511 2673 3069 3294 3782 4026 4941 5022 5346 5673 6039 6138 7533 8019 9207 9882 11346 12078 14823 15066 16038 17019 18117 18414 20801 22599 27621 29646 34038 36234 41602 44469 45198 51057 54351 55242 62403 82863 88938 102114 108702 124806 153171 163053 165726 187209 248589 306342 326106 374418 459513 489159 497178 561627 919026 978318 1123254 1378539 1684881 2757078 3369762 5054643 10109286 15163929 30327858