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80055423 = 32731179229
BaseRepresentation
bin1001100010110…
…00110001111111
312120122020101200
410301120301333
5130443233143
611535510543
71661313510
oct461306177
9176566350
1080055423
1141209908
1222988453
131377c696
14a8bca07
1570651d3
hex4c58c7f

80055423 has 48 divisors (see below), whose sum is σ = 137779200. Its totient is φ = 43830720.

The previous prime is 80055413. The next prime is 80055427. The reversal of 80055423 is 32455008.

It is not a de Polignac number, because 80055423 - 24 = 80055407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80055427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 349473 + ... + 349701.

It is an arithmetic number, because the mean of its divisors is an integer number (2870400).

Almost surely, 280055423 is an apocalyptic number.

80055423 is a deficient number, since it is larger than the sum of its proper divisors (57723777).

80055423 is a wasteful number, since it uses less digits than its factorization.

80055423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 80055423 is about 8947.3696134674. The cubic root of 80055423 is about 430.9864193983.

The spelling of 80055423 in words is "eighty million, fifty-five thousand, four hundred twenty-three".

Divisors: 1 3 7 9 21 31 63 93 179 217 229 279 537 651 687 1253 1603 1611 1953 2061 3759 4809 5549 7099 11277 14427 16647 21297 38843 40991 49693 49941 63891 116529 122973 149079 286937 349587 368919 447237 860811 1270721 2582433 3812163 8895047 11436489 26685141 80055423