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61328283 = 343147431
BaseRepresentation
bin1110100111110…
…0101110011011
311021101210120220
43221330232123
5111200001113
610030251123
71343165442
oct351745633
9137353526
1061328283
1131688935
1218656aa3
13c923733
148205d59
1555b6523
hex3a7cb9b

61328283 has 8 divisors (see below), whose sum is σ = 81962496. Its totient is φ = 40789800.

The previous prime is 61328273. The next prime is 61328297. The reversal of 61328283 is 38282316.

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

It is not a de Polignac number, because 61328283 - 217 = 61197211 is a prime.

It is a super-2 number, since 2×613282832 = 7522316591456178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61328233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22423 + ... + 25008.

It is an arithmetic number, because the mean of its divisors is an integer number (10245312).

Almost surely, 261328283 is an apocalyptic number.

61328283 is a deficient number, since it is larger than the sum of its proper divisors (20634213).

61328283 is a wasteful number, since it uses less digits than its factorization.

61328283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47865.

The product of its digits is 13824, while the sum is 33.

The square root of 61328283 is about 7831.2376416503. The cubic root of 61328283 is about 394.3546220183.

The spelling of 61328283 in words is "sixty-one million, three hundred twenty-eight thousand, two hundred eighty-three".

Divisors: 1 3 431 1293 47431 142293 20442761 61328283