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80407053 = 3329103997
BaseRepresentation
bin1001100101011…
…10101000001101
312121022002202000
410302232220031
5131041011203
611551222513
71664306616
oct462565015
9177262660
1080407053
114142a011
1222b17a39
131387374c
14a970c0d
1570d44a3
hex4caea0d

80407053 has 32 divisors (see below), whose sum is σ = 124550400. Its totient is φ = 51202368.

The previous prime is 80407051. The next prime is 80407121. The reversal of 80407053 is 35070408.

It is not a de Polignac number, because 80407053 - 21 = 80407051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80407051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80151 + ... + 81147.

It is an arithmetic number, because the mean of its divisors is an integer number (3892200).

Almost surely, 280407053 is an apocalyptic number.

It is an amenable number.

80407053 is a deficient number, since it is larger than the sum of its proper divisors (44143347).

80407053 is a wasteful number, since it uses less digits than its factorization.

80407053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 80407053 is about 8966.9979926395. The cubic root of 80407053 is about 431.6165095956.

The spelling of 80407053 in words is "eighty million, four hundred seven thousand, fifty-three".

Divisors: 1 3 9 27 29 87 103 261 309 783 927 997 2781 2987 2991 8961 8973 26883 26919 28913 80649 86739 102691 260217 308073 780651 924219 2772657 2978039 8934117 26802351 80407053