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80295430 = 2516349261
BaseRepresentation
bin1001100100100…
…11011000000110
312121002102121211
410302103120012
5131023423210
611545002034
71663333315
oct462233006
9177072554
1080295430
1141363166
1222a8331a
13138349b7
14a94227c
1570b138a
hex4c93606

80295430 has 16 divisors (see below), whose sum is σ = 145421424. Its totient is φ = 31920480.

The previous prime is 80295409. The next prime is 80295431. The reversal of 80295430 is 3459208.

It is a junction number, because it is equal to n+sod(n) for n = 80295392 and 80295401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80295431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23001 + ... + 26260.

It is an arithmetic number, because the mean of its divisors is an integer number (9088839).

Almost surely, 280295430 is an apocalyptic number.

80295430 is a deficient number, since it is larger than the sum of its proper divisors (65125994).

80295430 is a wasteful number, since it uses less digits than its factorization.

80295430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49431.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 80295430 is about 8960.7717301581. The cubic root of 80295430 is about 431.4166903046.

The spelling of 80295430 in words is "eighty million, two hundred ninety-five thousand, four hundred thirty".

Divisors: 1 2 5 10 163 326 815 1630 49261 98522 246305 492610 8029543 16059086 40147715 80295430