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8028080 = 245175903
BaseRepresentation
bin11110100111111110110000
3120002212110022
4132213332300
54023344310
6444023012
7125144324
oct36477660
916085408
108028080
114593685
122831a68
131881158
1410cd984
15a88a55
hex7a7fb0

8028080 has 40 divisors (see below), whose sum is σ = 19766592. Its totient is φ = 3021824.

The previous prime is 8028077. The next prime is 8028107. The reversal of 8028080 is 808208.

It is a tau number, because it is divible by the number of its divisors (40).

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, 1592 + ... + 4311.

Almost surely, 28028080 is an apocalyptic number.

8028080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8028080 is an abundant number, since it is smaller than the sum of its proper divisors (11738512).

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

8028080 is a wasteful number, since it uses less digits than its factorization.

8028080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933 (or 5927 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 8028080 is about 2833.3866661647. The cubic root of 8028080 is about 200.2337267526.

The spelling of 8028080 in words is "eight million, twenty-eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 5903 11806 23612 29515 47224 59030 94448 100351 118060 200702 236120 401404 472240 501755 802808 1003510 1605616 2007020 4014040 8028080