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2261616070 = 257218772459
BaseRepresentation
bin1000011011001101…
…1000010111000110
312211121122000000011
42012303120113012
514112433203240
61012230140434
7110021263600
oct20663302706
95747560004
102261616070
11a6069469a
125314b171a
132a072607c
1417651a170
15d383d6ea
hex86cd85c6

2261616070 has 48 divisors (see below), whose sum is σ = 4739996880. Its totient is φ = 774682944.

The previous prime is 2261616061. The next prime is 2261616073. The reversal of 2261616070 is 706161622.

It is a happy number.

It is a super-2 number, since 2×22616160702 = 10229814496164489800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261616073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 918501 + ... + 920959.

It is an arithmetic number, because the mean of its divisors is an integer number (98749935).

Almost surely, 22261616070 is an apocalyptic number.

2261616070 is an abundant number, since it is smaller than the sum of its proper divisors (2478380810).

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

2261616070 is a wasteful number, since it uses less digits than its factorization.

2261616070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357 (or 4350 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2261616070 is about 47556.4514025174. The cubic root of 2261616070 is about 1312.6218435033.

Adding to 2261616070 its reverse (706161622), we get a palindrome (2967777692).

The spelling of 2261616070 in words is "two billion, two hundred sixty-one million, six hundred sixteen thousand, seventy".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 1877 2459 3754 4918 9385 12295 13139 17213 18770 24590 26278 34426 65695 86065 91973 120491 131390 172130 183946 240982 459865 602455 919730 1204910 4615543 9231086 23077715 32308801 46155430 64617602 161544005 226161607 323088010 452323214 1130808035 2261616070