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2255097664 = 2689395909
BaseRepresentation
bin1000011001101010…
…0000111101000000
312211011100211102201
42012122200331000
514104301111124
61011434322544
7106612004521
oct20632407500
95734324381
102255097664
11a57a42286
1252b289454
1329c283121
14175700848
15d2ea2144
hex866a0f40

2255097664 has 28 divisors (see below), whose sum is σ = 4525251300. Its totient is φ = 1114876928.

The previous prime is 2255097661. The next prime is 2255097683. The reversal of 2255097664 is 4667905522.

It can be written as a sum of positive squares in 2 ways, for example, as 1296576064 + 958521600 = 36008^2 + 30960^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255097661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192259 + ... + 203650.

Almost surely, 22255097664 is an apocalyptic number.

It is an amenable number.

2255097664 is an abundant number, since it is smaller than the sum of its proper divisors (2270153636).

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

2255097664 is an equidigital number, since it uses as much as digits as its factorization.

2255097664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396010 (or 396000 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 2255097664 is about 47487.8685982010. The cubic root of 2255097664 is about 1311.3595550598.

The spelling of 2255097664 in words is "two billion, two hundred fifty-five million, ninety-seven thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 89 178 356 712 1424 2848 5696 395909 791818 1583636 3167272 6334544 12669088 25338176 35235901 70471802 140943604 281887208 563774416 1127548832 2255097664