Search a number
-
+
404854272 = 2932103853
BaseRepresentation
bin11000001000011…
…001011000000000
31001012210201122200
4120020121120000
51312120314042
6104101233200
713014130104
oct3010313000
91035721580
10404854272
11198591009
12b3702800
1365b50c54
143baa9904
1525821c4c
hex18219600

404854272 has 120 divisors (see below), whose sum is σ = 1181163984. Its totient is φ = 133484544.

The previous prime is 404854271. The next prime is 404854279. The reversal of 404854272 is 272458404.

404854272 is a `hidden beast` number, since 4 + 0 + 48 + 542 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404854271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474198 + ... + 475050.

Almost surely, 2404854272 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 404854272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590581992).

404854272 is an abundant number, since it is smaller than the sum of its proper divisors (776309712).

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

404854272 is a wasteful number, since it uses less digits than its factorization.

404854272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 404854272 is about 20120.9908304735. The cubic root of 404854272 is about 739.7748718626.

The spelling of 404854272 in words is "four hundred four million, eight hundred fifty-four thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 103 128 144 192 206 256 288 309 384 412 512 576 618 768 824 853 927 1152 1236 1536 1648 1706 1854 2304 2472 2559 3296 3412 3708 4608 4944 5118 6592 6824 7416 7677 9888 10236 13184 13648 14832 15354 19776 20472 26368 27296 29664 30708 39552 40944 52736 54592 59328 61416 79104 81888 87859 109184 118656 122832 158208 163776 175718 218368 237312 245664 263577 327552 351436 436736 474624 491328 527154 655104 702872 790731 982656 1054308 1310208 1405744 1581462 1965312 2108616 2811488 3162924 3930624 4217232 5622976 6325848 8434464 11245952 12651696 16868928 22491904 25303392 33737856 44983808 50606784 67475712 101213568 134951424 202427136 404854272