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83294145 = 32511191881
BaseRepresentation
bin1001111011011…
…11011111000001
312210201210002100
410331233133001
5132310403040
612133141013
72030663034
oct475573701
9183653070
1083294145
1143021140
1223a8a769
131434489c
14b0c301b
1574a4b30
hex4f6f7c1

83294145 has 48 divisors (see below), whose sum is σ = 158505984. Its totient is φ = 40128000.

The previous prime is 83294087. The next prime is 83294153. The reversal of 83294145 is 54149238.

It is not a de Polignac number, because 83294145 - 29 = 83293633 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 94105 + ... + 94985.

It is an arithmetic number, because the mean of its divisors is an integer number (3302208).

Almost surely, 283294145 is an apocalyptic number.

It is an amenable number.

83294145 is a deficient number, since it is larger than the sum of its proper divisors (75211839).

83294145 is a wasteful number, since it uses less digits than its factorization.

83294145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094 (or 1091 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 83294145 is about 9126.5626059322. The cubic root of 83294145 is about 436.7217533078.

The spelling of 83294145 in words is "eighty-three million, two hundred ninety-four thousand, one hundred forty-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 165 191 495 573 881 955 1719 2101 2643 2865 4405 6303 7929 8595 9691 10505 13215 18909 29073 31515 39645 48455 87219 94545 145365 168271 436095 504813 841355 1514439 1850981 2524065 5552943 7572195 9254905 16658829 27764715 83294145