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2275955440 = 245112586313
BaseRepresentation
bin1000011110101000…
…0101001011110000
312212121121111220221
42013222011023300
514130121033230
61013501342424
7110254205413
oct20752051360
95777544827
102275955440
11a68799010
12536267a14
132a36a6ac5
141783adb7a
15d4c2227a
hex87a852f0

2275955440 has 40 divisors (see below), whose sum is σ = 5772652848. Its totient is φ = 827619840.

The previous prime is 2275955419. The next prime is 2275955447. The reversal of 2275955440 is 445595722.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275955447) 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, 1292277 + ... + 1294036.

Almost surely, 22275955440 is an apocalyptic number.

2275955440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2275955440 is an abundant number, since it is smaller than the sum of its proper divisors (3496697408).

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

2275955440 is a wasteful number, since it uses less digits than its factorization.

2275955440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586337 (or 2586331 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 2275955440 is about 47706.9747521261. The cubic root of 2275955440 is about 1315.3901486598.

The spelling of 2275955440 in words is "two billion, two hundred seventy-five million, nine hundred fifty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 2586313 5172626 10345252 12931565 20690504 25863130 28449443 41381008 51726260 56898886 103452520 113797772 142247215 206905040 227595544 284494430 455191088 568988860 1137977720 2275955440