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3720738848 = 254122632
BaseRepresentation
bin1101110111000101…
…1111100000100000
3100121022020010011112
43131301133200200
530110002120343
61413112202452
7161126521061
oct33561374040
910538203145
103720738848
11163a295192
1287a099428
13473b05428
1427421c568
1516b9b1218
hexddc5f820

3720738848 has 54 divisors (see below), whose sum is σ = 7536882717. Its totient is φ = 1808093440.

The previous prime is 3720738841. The next prime is 3720738863. The reversal of 3720738848 is 8488370273.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

3720738848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2657196304 + 1063542544 = 51548^2 + 32612^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=43132.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3720738796 and 3720738805.

It is not an unprimeable number, because it can be changed into a prime (3720738841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14147165 + ... + 14147427.

Almost surely, 23720738848 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 3720738848

3720738848 is an abundant number, since it is smaller than the sum of its proper divisors (3816143869).

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

3720738848 is an frugal number, since it uses more digits than its factorization.

3720738848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The square root of 3720738848 is about 60997.8593722763. The cubic root of 3720738848 is about 1549.5647543798.

Multiplying 3720738848 by its sum of digits (50), we get a square (186036942400 = 4313202).

The spelling of 3720738848 in words is "three billion, seven hundred twenty million, seven hundred thirty-eight thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 32 41 82 164 263 328 526 656 1052 1312 1681 2104 3362 4208 6724 8416 10783 13448 21566 26896 43132 53792 69169 86264 138338 172528 276676 345056 442103 553352 884206 1106704 1768412 2213408 2835929 3536824 5671858 7073648 11343716 14147296 22687432 45374864 90749728 116273089 232546178 465092356 930184712 1860369424 3720738848