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1706057493 = 3781240833
BaseRepresentation
bin110010110110000…
…0101111100010101
311101220020200220120
41211230011330111
511443222314433
6441142422153
760164151360
oct14554057425
94356220816
101706057493
117a6030278
123b7431959
132125ba79a
141228210d7
159eb9d7b3
hex65b05f15

1706057493 has 8 divisors (see below), whose sum is σ = 2599706688. Its totient is φ = 974889984.

The previous prime is 1706057489. The next prime is 1706057497. The reversal of 1706057493 is 3947506071.

It is an interprime number because it is at equal distance from previous prime (1706057489) and next prime (1706057497).

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

It is not a de Polignac number, because 1706057493 - 22 = 1706057489 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1706057497) 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, 40620396 + ... + 40620437.

It is an arithmetic number, because the mean of its divisors is an integer number (324963336).

Almost surely, 21706057493 is an apocalyptic number.

It is an amenable number.

1706057493 is a deficient number, since it is larger than the sum of its proper divisors (893649195).

1706057493 is an equidigital number, since it uses as much as digits as its factorization.

1706057493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81240843.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 1706057493 is about 41304.4488281831. The cubic root of 1706057493 is about 1194.8990637364.

The spelling of 1706057493 in words is "one billion, seven hundred six million, fifty-seven thousand, four hundred ninety-three".

Divisors: 1 3 7 21 81240833 243722499 568685831 1706057493