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872077080 = 233571038187
BaseRepresentation
bin110011111110101…
…101011100011000
32020202222002212010
4303332231130120
53241222431310
6222311345520
730416350530
oct6376553430
92222862763
10872077080
114082a0466
122040822a0
1310b89ac54
1483b6c4c0
1551863320
hex33fad718

872077080 has 64 divisors (see below), whose sum is σ = 2989981440. Its totient is φ = 199331712.

The previous prime is 872077079. The next prime is 872077111. The reversal of 872077080 is 80770278.

It is a super-2 number, since 2×8720770802 = 1521036866922652800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518254 + ... + 519933.

It is an arithmetic number, because the mean of its divisors is an integer number (46718460).

Almost surely, 2872077080 is an apocalyptic number.

It is an amenable number.

872077080 is an abundant number, since it is smaller than the sum of its proper divisors (2117904360).

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

872077080 is a wasteful number, since it uses less digits than its factorization.

872077080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038208 (or 1038204 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 39.

The square root of 872077080 is about 29530.9512207108. The cubic root of 872077080 is about 955.3993852304.

The spelling of 872077080 in words is "eight hundred seventy-two million, seventy-seven thousand, eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 1038187 2076374 3114561 4152748 5190935 6229122 7267309 8305496 10381870 12458244 14534618 15572805 20763740 21801927 24916488 29069236 31145610 36336545 41527480 43603854 58138472 62291220 72673090 87207708 109009635 124582440 145346180 174415416 218019270 290692360 436038540 872077080