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82023083 = 234186981
BaseRepresentation
bin1001110001110…
…01001010101011
312201100012111222
410320321022223
5131444214313
612050012255
72014120232
oct470711253
9181305458
1082023083
114233317a
122357708b
1313cbb18c
14ac71b19
157303208
hex4e392ab

82023083 has 8 divisors (see below), whose sum is σ = 87677856. Its totient is φ = 76542400.

The previous prime is 82023061. The next prime is 82023089. The reversal of 82023083 is 38032028.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-82023083 is a prime.

It is a super-2 number, since 2×820230832 = 13455572289649778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82023089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42548 + ... + 44433.

It is an arithmetic number, because the mean of its divisors is an integer number (10959732).

Almost surely, 282023083 is an apocalyptic number.

82023083 is a deficient number, since it is larger than the sum of its proper divisors (5654773).

82023083 is a wasteful number, since it uses less digits than its factorization.

82023083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87045.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 82023083 is about 9056.6595939121. The cubic root of 82023083 is about 434.4889104702.

The spelling of 82023083 in words is "eighty-two million, twenty-three thousand, eighty-three".

Divisors: 1 23 41 943 86981 2000563 3566221 82023083