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2072706560 = 2952927919
BaseRepresentation
bin111101110001010…
…1111111000000000
312100110011101212122
41323202233320000
513221103102220
6541401143412
7102235500161
oct17342577000
95313141778
102072706560
11973a97131
1249a18ab68
13270552ab2
141593c3768
15c1e75425
hex7b8afe00

2072706560 has 80 divisors (see below), whose sum is σ = 5141188800. Its totient is φ = 800464896.

The previous prime is 2072706557. The next prime is 2072706569. The reversal of 2072706560 is 656072702.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×20727065602 = 8592224967734067200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2072706560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072706569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60281 + ... + 88199.

It is an arithmetic number, because the mean of its divisors is an integer number (64264860).

Almost surely, 22072706560 is an apocalyptic number.

2072706560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2072706560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2570594400).

2072706560 is an abundant number, since it is smaller than the sum of its proper divisors (3068482240).

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

2072706560 is an equidigital number, since it uses as much as digits as its factorization.

2072706560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27971 (or 27955 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 2072706560 is about 45526.9871614628. The cubic root of 2072706560 is about 1275.0071120967.

The spelling of 2072706560 in words is "two billion, seventy-two million, seven hundred six thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 64 80 116 128 145 160 232 256 290 320 464 512 580 640 928 1160 1280 1856 2320 2560 3712 4640 7424 9280 14848 18560 27919 37120 55838 74240 111676 139595 223352 279190 446704 558380 809651 893408 1116760 1619302 1786816 2233520 3238604 3573632 4048255 4467040 6477208 7147264 8096510 8934080 12954416 14294528 16193020 17868160 25908832 32386040 35736320 51817664 64772080 71472640 103635328 129544160 207270656 259088320 414541312 518176640 1036353280 2072706560