Search a number
-
+
620340548384 = 2547467883213
BaseRepresentation
bin10010000011011110010…
…11011001001100100000
32012022012121011222022002
421001233023121030200
540130424140022014
61152551442503132
762550421442234
oct11015713311440
92168177158262
10620340548384
1121a0a3081667
12a0286964aa8
1346661a5c25b
142204b8965c4
151120a956dde
hex906f2d9320

620340548384 has 48 divisors (see below), whose sum is σ = 1249952715648. Its totient is φ = 302920518912.

The previous prime is 620340548353. The next prime is 620340548419. The reversal of 620340548384 is 483845043026.

It is a super-2 number, since 2×6203405483842 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260762 + ... + 1143974.

It is an arithmetic number, because the mean of its divisors is an integer number (26040681576).

Almost surely, 2620340548384 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 620340548384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624976357824).

620340548384 is an abundant number, since it is smaller than the sum of its proper divisors (629612167264).

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

620340548384 is a wasteful number, since it uses less digits than its factorization.

620340548384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883737 (or 883729 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 47.

The spelling of 620340548384 in words is "six hundred twenty billion, three hundred forty million, five hundred forty-eight thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 47 94 188 376 467 752 934 1504 1868 3736 7472 14944 21949 43898 87796 175592 351184 702368 883213 1766426 3532852 7065704 14131408 28262816 41511011 83022022 166044044 332088088 412460471 664176176 824920942 1328352352 1649841884 3299683768 6599367536 13198735072 19385642137 38771284274 77542568548 155085137096 310170274192 620340548384