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83140294 = 2129732051
BaseRepresentation
bin1001111010010…
…01111011000110
312210102222001011
410331021323012
5132240442134
612125552434
72026452346
oct475117306
9183388034
1083140294
1142a26596
1223a1571a
13142bc853
14b082d26
157474264
hex4f49ec6

83140294 has 8 divisors (see below), whose sum is σ = 124810488. Its totient is φ = 41536800.

The previous prime is 83140289. The next prime is 83140297. The reversal of 83140294 is 49204138.

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

It is a super-4 number, since 4×831402944 (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83140297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13432 + ... + 18619.

It is an arithmetic number, because the mean of its divisors is an integer number (15601311).

Almost surely, 283140294 is an apocalyptic number.

83140294 is a deficient number, since it is larger than the sum of its proper divisors (41670194).

83140294 is a wasteful number, since it uses less digits than its factorization.

83140294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33350.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 83140294 is about 9118.1299617849. The cubic root of 83140294 is about 436.4527008253.

The spelling of 83140294 in words is "eighty-three million, one hundred forty thousand, two hundred ninety-four".

Divisors: 1 2 1297 2594 32051 64102 41570147 83140294