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468949864 = 23229255977
BaseRepresentation
bin11011111100111…
…001101101101000
31012200102010021111
4123330321231220
51430022343424
6114311120104
714423002525
oct3374715550
91180363244
10468949864
11220789a79
12111073034
1376203136
14463d214c
152b283194
hex1bf39b68

468949864 has 16 divisors (see below), whose sum is σ = 883124100. Its totient is φ = 233450112.

The previous prime is 468949847. The next prime is 468949867.

468949864 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 464747364 + 4202500 = 21558^2 + 2050^2 .

It is a junction number, because it is equal to n+sod(n) for n = 468949799 and 468949808.

It is not an unprimeable number, because it can be changed into a prime (468949867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126157 + ... + 129820.

Almost surely, 2468949864 is an apocalyptic number.

It is an amenable number.

468949864 is a deficient number, since it is larger than the sum of its proper divisors (414174236).

468949864 is a wasteful number, since it uses less digits than its factorization.

468949864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256212 (or 256208 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 58.

The square root of 468949864 is about 21655.2502640815. The cubic root of 468949864 is about 776.9185150529.

The spelling of 468949864 in words is "four hundred sixty-eight million, nine hundred forty-nine thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 229 458 916 1832 255977 511954 1023908 2047816 58618733 117237466 234474932 468949864