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80119958 = 240059979
BaseRepresentation
bin1001100011010…
…00100010010110
312120202111220212
410301220202112
5131002314313
611541125422
71662002612
oct461504226
9176674825
1080119958
1141253346
12229b9872
13137a2b79
14a8d8342
1570793a8
hex4c68896

80119958 has 4 divisors (see below), whose sum is σ = 120179940. Its totient is φ = 40059978.

The previous prime is 80119957. The next prime is 80119961. The reversal of 80119958 is 85991108.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80119957) 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 as a sum of consecutive naturals, namely, 20029988 + ... + 20029991.

It is an arithmetic number, because the mean of its divisors is an integer number (30044985).

Almost surely, 280119958 is an apocalyptic number.

80119958 is a deficient number, since it is larger than the sum of its proper divisors (40059982).

80119958 is a wasteful number, since it uses less digits than its factorization.

80119958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40059981.

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 80119958 is about 8950.9752541273. The cubic root of 80119958 is about 431.1021985134.

The spelling of 80119958 in words is "eighty million, one hundred nineteen thousand, nine hundred fifty-eight".

Divisors: 1 2 40059979 80119958