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4257000816 = 243233855979
BaseRepresentation
bin1111110110111100…
…1010110101110000
3101222200022001021220
43331233022311300
532204243011231
61542230145040
7210330624045
oct37557126560
911880261256
104257000816
111894a697a2
129a97b2180
1352ac457c3
142c55331cc
1519dadd896
hexfdbcad70

4257000816 has 40 divisors (see below), whose sum is σ = 11475396480. Its totient is φ = 1357304256.

The previous prime is 4257000779. The next prime is 4257000827. The reversal of 4257000816 is 6180007524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926886 + ... + 1929093.

It is an arithmetic number, because the mean of its divisors is an integer number (286884912).

Almost surely, 24257000816 is an apocalyptic number.

4257000816 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

4257000816 is an abundant number, since it is smaller than the sum of its proper divisors (7218395664).

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

4257000816 is a wasteful number, since it uses less digits than its factorization.

4257000816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856013 (or 3856007 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 4257000816 is about 65245.6957660810. The cubic root of 4257000816 is about 1620.6948215933.

The spelling of 4257000816 in words is "four billion, two hundred fifty-seven million, eight hundred sixteen", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 3855979 7711958 11567937 15423916 23135874 30847832 46271748 61695664 88687517 92543496 177375034 185086992 266062551 354750068 532125102 709500136 1064250204 1419000272 2128500408 4257000816