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2720041620 = 223553855359
BaseRepresentation
bin1010001000100000…
…1000101010010100
321000120020102122020
42202020020222110
521032312312440
61125523533140
7124255654332
oct24210105224
97016212566
102720041620
11117643558a
1263ab2a1b0
133446b2aaa
141bb36cb52
1510dbe33d0
hexa2208a94

2720041620 has 48 divisors (see below), whose sum is σ = 7759825920. Its totient is φ = 711657856.

The previous prime is 2720041591. The next prime is 2720041693. The reversal of 2720041620 is 261400272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424500 + ... + 430859.

It is an arithmetic number, because the mean of its divisors is an integer number (161663040).

Almost surely, 22720041620 is an apocalyptic number.

2720041620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2720041620 is an abundant number, since it is smaller than the sum of its proper divisors (5039784300).

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

2720041620 is a wasteful number, since it uses less digits than its factorization.

2720041620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855424 (or 855422 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2720041620 is about 52154.0182536303. The cubic root of 2720041620 is about 1395.9135291524.

Adding to 2720041620 its reverse (261400272), we get a palindrome (2981441892).

The spelling of 2720041620 in words is "two billion, seven hundred twenty million, forty-one thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 159 212 265 318 530 636 795 1060 1590 3180 855359 1710718 2566077 3421436 4276795 5132154 8553590 10264308 12830385 17107180 25660770 45334027 51321540 90668054 136002081 181336108 226670135 272004162 453340270 544008324 680010405 906680540 1360020810 2720041620