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8216925427 = 43857222977
BaseRepresentation
bin1111010011100010…
…00101010011110011
3210012122121001122101
413221301011103303
5113312013103202
63435205121231
7410423466544
oct75161052363
923178531571
108216925427
113537270767
1217139b9217
13a0c475269
1457d4144cb
15331599887
hex1e9c454f3

8216925427 has 8 divisors (see below), whose sum is σ = 8417865456. Its totient is φ = 8016433152.

The previous prime is 8216925419. The next prime is 8216925449. The reversal of 8216925427 is 7245296128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8216925427 - 23 = 8216925419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8216925407) 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, 74638 + ... + 148339.

It is an arithmetic number, because the mean of its divisors is an integer number (1052233182).

Almost surely, 28216925427 is an apocalyptic number.

8216925427 is a deficient number, since it is larger than the sum of its proper divisors (200940029).

8216925427 is a wasteful number, since it uses less digits than its factorization.

8216925427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223877.

The product of its digits is 483840, while the sum is 46.

The square root of 8216925427 is about 90647.2582431482. The cubic root of 8216925427 is about 2017.9161455417.

The spelling of 8216925427 in words is "eight billion, two hundred sixteen million, nine hundred twenty-five thousand, four hundred twenty-seven".

Divisors: 1 43 857 36851 222977 9588011 191091289 8216925427