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2253471220 = 22571113313631
BaseRepresentation
bin1000011001010001…
…0011110111110100
312211001022012101001
42012110103313310
514103342034340
61011335413044
7106562121640
oct20624236764
95731265331
102253471220
11a57031310
1252a824184
1329bb33a30
141753d9c20
15d2c8029a
hex86513df4

2253471220 has 192 divisors, whose sum is σ = 6560612352. Its totient is φ = 627264000.

The previous prime is 2253471217. The next prime is 2253471221. The reversal of 2253471220 is 221743522.

2253471220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253471221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 618805 + ... + 622435.

It is an arithmetic number, because the mean of its divisors is an integer number (34169856).

Almost surely, 22253471220 is an apocalyptic number.

2253471220 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 2253471220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3280306176).

2253471220 is an abundant number, since it is smaller than the sum of its proper divisors (4307141132).

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

2253471220 is a wasteful number, since it uses less digits than its factorization.

2253471220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2253471220 is about 47470.7406725448. The cubic root of 2253471220 is about 1311.0442153033.

The spelling of 2253471220 in words is "two billion, two hundred fifty-three million, four hundred seventy-one thousand, two hundred twenty".