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6864870 = 235228829
BaseRepresentation
bin11010001011111111100110
3110220202211110
4122023333212
53224133440
6403045450
7112231125
oct32137746
913822743
106864870
113969751
122370886
13156486c
14ca9abc
15909080
hex68bfe6

6864870 has 16 divisors (see below), whose sum is σ = 16475760. Its totient is φ = 1830624.

The previous prime is 6864853. The next prime is 6864881. The reversal of 6864870 is 784686.

It is a Curzon number.

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, 114385 + ... + 114444.

It is an arithmetic number, because the mean of its divisors is an integer number (1029735).

Almost surely, 26864870 is an apocalyptic number.

6864870 is an abundant number, since it is smaller than the sum of its proper divisors (9610890).

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

6864870 is a wasteful number, since it uses less digits than its factorization.

6864870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228839.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 6864870 is about 2620.0896931212. The cubic root of 6864870 is about 190.0541858381.

The spelling of 6864870 in words is "six million, eight hundred sixty-four thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 228829 457658 686487 1144145 1372974 2288290 3432435 6864870