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868762047 = 3939730817
BaseRepresentation
bin110011110010000…
…100000110111111
32020112201200111010
4303302010012333
53234400341142
6222112330303
730346232646
oct6362040677
92215650433
10868762047
1140643686a
12202b43993
1310acaa0aa
148354835d
155140ae9c
hex33c841bf

868762047 has 8 divisors (see below), whose sum is σ = 1158510256. Its totient is φ = 579094272.

The previous prime is 868762031. The next prime is 868762121. The reversal of 868762047 is 740267868.

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

It is not a de Polignac number, because 868762047 - 24 = 868762031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 868761987 and 868762005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868767047) 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, 12783 + ... + 43599.

It is an arithmetic number, because the mean of its divisors is an integer number (144813782).

Almost surely, 2868762047 is an apocalyptic number.

868762047 is a deficient number, since it is larger than the sum of its proper divisors (289748209).

868762047 is a wasteful number, since it uses less digits than its factorization.

868762047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40217.

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 868762047 is about 29474.7696683112. The cubic root of 868762047 is about 954.1872591459.

The spelling of 868762047 in words is "eight hundred sixty-eight million, seven hundred sixty-two thousand, forty-seven".

Divisors: 1 3 9397 28191 30817 92451 289587349 868762047