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880020868 = 22220005217
BaseRepresentation
bin110100011101000…
…000110110000100
32021022220200200111
4310131000312010
53300241131433
6223153522404
730544024336
oct6435006604
92238820614
10880020868
11411826781
12206873404
1311041c90c
1484c39456
15523d1dcd
hex34740d84

880020868 has 6 divisors (see below), whose sum is σ = 1540036526. Its totient is φ = 440010432.

The previous prime is 880020833. The next prime is 880020877. The reversal of 880020868 is 868020088.

It can be written as a sum of positive squares in only one way, i.e., 879834244 + 186624 = 29662^2 + 432^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 880020868.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110002605 + ... + 110002612.

Almost surely, 2880020868 is an apocalyptic number.

It is an amenable number.

880020868 is a deficient number, since it is larger than the sum of its proper divisors (660015658).

880020868 is a wasteful number, since it uses less digits than its factorization.

880020868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220005221 (or 220005219 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 880020868 is about 29665.1456763657. The cubic root of 880020868 is about 958.2915461519.

The spelling of 880020868 in words is "eight hundred eighty million, twenty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 220005217 440010434 880020868