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8464225388 = 2212730195519
BaseRepresentation
bin1111110001000000…
…11101010001101100
3210211212221012102012
413320200131101230
5114313320203023
63515521420352
7416515504643
oct77040352154
923755835365
108464225388
11365391a8a3
12178279a6b8
13a4b7809b8
145a41ca35a
15348148978
hex1f881d46c

8464225388 has 24 divisors (see below), whose sum is σ = 14936678400. Its totient is φ = 4196637648.

The previous prime is 8464225381. The next prime is 8464225409. The reversal of 8464225388 is 8835224648.

It is a happy number.

It is a super-2 number, since 2×84642253882 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8464225381) 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, 1530893 + ... + 1536411.

It is an arithmetic number, because the mean of its divisors is an integer number (622361600).

Almost surely, 28464225388 is an apocalyptic number.

It is an amenable number.

8464225388 is a deficient number, since it is larger than the sum of its proper divisors (6472453012).

8464225388 is a wasteful number, since it uses less digits than its factorization.

8464225388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8669 (or 8667 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 50.

The square root of 8464225388 is about 92001.2249266280. The cubic root of 8464225388 is about 2037.9603948281.

The spelling of 8464225388 in words is "eight billion, four hundred sixty-four million, two hundred twenty-five thousand, three hundred eighty-eight".

Divisors: 1 2 4 127 254 508 3019 5519 6038 11038 12076 22076 383413 700913 766826 1401826 1533652 2803652 16661861 33323722 66647444 2116056347 4232112694 8464225388