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20076538 = 283120943
BaseRepresentation
bin100110010010…
…1011111111010
31101202222211111
41030211133322
520114422123
61554150534
7332435116
oct114453772
941688744
1020076538
1110372889
12688244a
13420c211
142948746
151b6890d
hex13257fa

20076538 has 8 divisors (see below), whose sum is σ = 30477888. Its totient is φ = 9917244.

The previous prime is 20076523. The next prime is 20076557. The reversal of 20076538 is 83567002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60306 + ... + 60637.

It is an arithmetic number, because the mean of its divisors is an integer number (3809736).

Almost surely, 220076538 is an apocalyptic number.

20076538 is a deficient number, since it is larger than the sum of its proper divisors (10401350).

20076538 is a wasteful number, since it uses less digits than its factorization.

20076538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121028.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 20076538 is about 4480.6849922752. The cubic root of 20076538 is about 271.7875810544.

The spelling of 20076538 in words is "twenty million, seventy-six thousand, five hundred thirty-eight".

Divisors: 1 2 83 166 120943 241886 10038269 20076538