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80055030 = 23511242591
BaseRepresentation
bin1001100010110…
…00101011110110
312120122012212010
410301120223312
5130443230110
611535505050
71661312406
oct461305366
9176565763
1080055030
1141209590
1222988186
131377c453
14a8bc806
157065020
hex4c58af6

80055030 has 32 divisors (see below), whose sum is σ = 209599488. Its totient is φ = 19407200.

The previous prime is 80055007. The next prime is 80055067. The reversal of 80055030 is 3055008.

It is a junction number, because it is equal to n+sod(n) for n = 80054988 and 80055006.

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, 120966 + ... + 121625.

It is an arithmetic number, because the mean of its divisors is an integer number (6549984).

Almost surely, 280055030 is an apocalyptic number.

80055030 is an abundant number, since it is smaller than the sum of its proper divisors (129544458).

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

80055030 is a wasteful number, since it uses less digits than its factorization.

80055030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242612.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 80055030 is about 8947.3476516787. The cubic root of 80055030 is about 430.9857141455.

The spelling of 80055030 in words is "eighty million, fifty-five thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 242591 485182 727773 1212955 1455546 2425910 2668501 3638865 5337002 7277730 8005503 13342505 16011006 26685010 40027515 80055030