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68820373 = 592774211
BaseRepresentation
bin1000001101000…
…01110110010101
311210111102210201
410012201312111
5120104222443
610455020501
71463651326
oct406416625
9153442721
1068820373
1135935846
121b06a731
131134791b
1491d644d
15609634d
hex41a1d95

68820373 has 8 divisors (see below), whose sum is σ = 70256160. Its totient is φ = 67393680.

The previous prime is 68820343. The next prime is 68820379. The reversal of 68820373 is 37302886.

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

It is a cyclic number.

It is not a de Polignac number, because 68820373 - 213 = 68812181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68820379) 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, 14238 + ... + 18448.

It is an arithmetic number, because the mean of its divisors is an integer number (8782020).

Almost surely, 268820373 is an apocalyptic number.

It is an amenable number.

68820373 is a deficient number, since it is larger than the sum of its proper divisors (1435787).

68820373 is a wasteful number, since it uses less digits than its factorization.

68820373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 68820373 is about 8295.8045420562. The cubic root of 68820373 is about 409.8003648370.

The spelling of 68820373 in words is "sixty-eight million, eight hundred twenty thousand, three hundred seventy-three".

Divisors: 1 59 277 4211 16343 248449 1166447 68820373