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2270985312 = 253120119697
BaseRepresentation
bin1000011101011100…
…0111110001100000
312212021021000012010
42013113013301200
514122333012222
61013203032520
7110164025301
oct20727076140
95767230163
102270985312
11a65a03972
1253466b740
132a26567bb
141778787a8
15d458e80c
hex875c7c60

2270985312 has 48 divisors (see below), whose sum is σ = 5966602992. Its totient is φ = 756326400.

The previous prime is 2270985281. The next prime is 2270985319. The reversal of 2270985312 is 2135890722.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270985319) 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, 105448 + ... + 125144.

It is an arithmetic number, because the mean of its divisors is an integer number (124304229).

Almost surely, 22270985312 is an apocalyptic number.

It is an amenable number.

2270985312 is an abundant number, since it is smaller than the sum of its proper divisors (3695617680).

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

2270985312 is a wasteful number, since it uses less digits than its factorization.

2270985312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20911 (or 20903 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 2270985312 is about 47654.8561219106. The cubic root of 2270985312 is about 1314.4319544357.

The spelling of 2270985312 in words is "two billion, two hundred seventy million, nine hundred eighty-five thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1201 2402 3603 4804 7206 9608 14412 19216 19697 28824 38432 39394 57648 59091 78788 115296 118182 157576 236364 315152 472728 630304 945456 1890912 23656097 47312194 70968291 94624388 141936582 189248776 283873164 378497552 567746328 756995104 1135492656 2270985312