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80057103 = 3719919157
BaseRepresentation
bin1001100010110…
…01001100001111
312120122022200220
410301121030033
5130443311403
611535522423
71661321430
oct461311417
9176568626
1080057103
11412100a5
1222989413
1313780389
14a8bd487
157065953
hex4c5930f

80057103 has 16 divisors (see below), whose sum is σ = 122611200. Its totient is φ = 45514656.

The previous prime is 80057101. The next prime is 80057111. The reversal of 80057103 is 30175008.

It is not a de Polignac number, because 80057103 - 21 = 80057101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80057101) 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 15 ways as a sum of consecutive naturals, for example, 5400 + ... + 13757.

It is an arithmetic number, because the mean of its divisors is an integer number (7663200).

Almost surely, 280057103 is an apocalyptic number.

80057103 is a deficient number, since it is larger than the sum of its proper divisors (42554097).

80057103 is a wasteful number, since it uses less digits than its factorization.

80057103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19366.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 80057103 is about 8947.4634953153. The cubic root of 80057103 is about 430.9894341935.

The spelling of 80057103 in words is "eighty million, fifty-seven thousand, one hundred three".

Divisors: 1 3 7 21 199 597 1393 4179 19157 57471 134099 402297 3812243 11436729 26685701 80057103