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30455046 = 23229411423
BaseRepresentation
bin111010000101…
…1010100000110
32010022021110200
41310023110012
530244030141
63004431330
7516602136
oct164132406
963267420
1030455046
1116211366
12a248546
13640414b
14408aac6
152a18ab6
hex1d0b506

30455046 has 48 divisors (see below), whose sum is σ = 69975360. Its totient is φ = 9555840.

The previous prime is 30455003. The next prime is 30455057. The reversal of 30455046 is 64055403.

It is a super-3 number, since 3×304550463 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20691 + ... + 22113.

It is an arithmetic number, because the mean of its divisors is an integer number (1457820).

Almost surely, 230455046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30455046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34987680).

30455046 is an abundant number, since it is smaller than the sum of its proper divisors (39520314).

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

30455046 is a wasteful number, since it uses less digits than its factorization.

30455046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 30455046 is about 5518.6090638856. The cubic root of 30455046 is about 312.2864110618.

The spelling of 30455046 in words is "thirty million, four hundred fifty-five thousand, forty-six".

Divisors: 1 2 3 6 9 18 29 41 58 82 87 123 174 246 261 369 522 738 1189 1423 2378 2846 3567 4269 7134 8538 10701 12807 21402 25614 41267 58343 82534 116686 123801 175029 247602 350058 371403 525087 742806 1050174 1691947 3383894 5075841 10151682 15227523 30455046