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80428024 = 2319515153
BaseRepresentation
bin1001100101100…
…11101111111000
312121100011111201
410302303233320
5131042144044
611551503544
71664425015
oct462635770
9177304451
1080428024
1141443846
1222b27bb4
1313880161
14a97870c
1570da7d4
hex4cb3bf8

80428024 has 16 divisors (see below), whose sum is σ = 150909120. Its totient is φ = 40185600.

The previous prime is 80428001. The next prime is 80428027. The reversal of 80428024 is 42082408.

It is a junction number, because it is equal to n+sod(n) for n = 80427983 and 80428001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80428027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13032 + ... + 18184.

It is an arithmetic number, because the mean of its divisors is an integer number (9431820).

Almost surely, 280428024 is an apocalyptic number.

It is an amenable number.

80428024 is a deficient number, since it is larger than the sum of its proper divisors (70481096).

80428024 is a wasteful number, since it uses less digits than its factorization.

80428024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110 (or 7106 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 80428024 is about 8968.1672598140. The cubic root of 80428024 is about 431.6540296998.

The spelling of 80428024 in words is "eighty million, four hundred twenty-eight thousand, twenty-four".

Divisors: 1 2 4 8 1951 3902 5153 7804 10306 15608 20612 41224 10053503 20107006 40214012 80428024