Search a number
-
+
36630144 = 27343533
BaseRepresentation
bin1000101110111…
…0111010000000
32112221000010000
42023232322000
533334131034
63345040000
7623231265
oct213567200
975830100
1036630144
1119749851
1210326000
137786a55
144c1726c
153338599
hex22eee80

36630144 has 80 divisors (see below), whose sum is σ = 109041570. Its totient is φ = 12206592.

The previous prime is 36630133. The next prime is 36630169. The reversal of 36630144 is 44103663.

It can be written as a sum of positive squares in only one way, i.e., 26132544 + 10497600 = 5112^2 + 3240^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8602 + ... + 12134.

Almost surely, 236630144 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 36630144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54520785).

36630144 is an abundant number, since it is smaller than the sum of its proper divisors (72411426).

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

36630144 is an equidigital number, since it uses as much as digits as its factorization.

36630144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559 (or 3538 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 36630144 is about 6052.2841968962. The cubic root of 36630144 is about 332.1081565651.

The spelling of 36630144 in words is "thirty-six million, six hundred thirty thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 288 324 384 432 576 648 864 1152 1296 1728 2592 3456 3533 5184 7066 10368 10599 14132 21198 28264 31797 42396 56528 63594 84792 95391 113056 127188 169584 190782 226112 254376 286173 339168 381564 452224 508752 572346 678336 763128 1017504 1144692 1356672 1526256 2035008 2289384 3052512 4070016 4578768 6105024 9157536 12210048 18315072 36630144