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83220235 = 572377721
BaseRepresentation
bin1001111010111…
…01011100001011
312210121000200221
410331131130023
5132301021420
612131410511
72030234410
oct475353413
9183530627
1083220235
1142a8065a
1223a53a37
131431a057
14b0a4107
15748ccaa
hex4f5d70b

83220235 has 8 divisors (see below), whose sum is σ = 114130656. Its totient is φ = 57065280.

The previous prime is 83220223. The next prime is 83220257. The reversal of 83220235 is 53202238.

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

It is not a de Polignac number, because 83220235 - 27 = 83220107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188826 + ... + 1188895.

It is an arithmetic number, because the mean of its divisors is an integer number (14266332).

Almost surely, 283220235 is an apocalyptic number.

83220235 is a deficient number, since it is larger than the sum of its proper divisors (30910421).

83220235 is a wasteful number, since it uses less digits than its factorization.

83220235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377733.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 83220235 is about 9122.5125376729. The cubic root of 83220235 is about 436.5925419181.

The spelling of 83220235 in words is "eighty-three million, two hundred twenty thousand, two hundred thirty-five".

Divisors: 1 5 7 35 2377721 11888605 16644047 83220235