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857041941 = 3740811521
BaseRepresentation
bin110011000101010…
…110110000010101
32012201200020112010
4303011112300111
53223400320231
6221013214433
730144510360
oct6305266025
92181606463
10857041941
113aa861328
121bb031419
13108735612
1481b770d7
1550393546
hex33156c15

857041941 has 8 divisors (see below), whose sum is σ = 1305968704. Its totient is φ = 489738240.

The previous prime is 857041919. The next prime is 857041943. The reversal of 857041941 is 149140758.

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

It is not a de Polignac number, because 857041941 - 26 = 857041877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 857041941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857041943) 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, 20405740 + ... + 20405781.

It is an arithmetic number, because the mean of its divisors is an integer number (163246088).

Almost surely, 2857041941 is an apocalyptic number.

It is an amenable number.

857041941 is a deficient number, since it is larger than the sum of its proper divisors (448926763).

857041941 is a wasteful number, since it uses less digits than its factorization.

857041941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40811531.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 857041941 is about 29275.2786664790. The cubic root of 857041941 is about 949.8769705867.

The spelling of 857041941 in words is "eight hundred fifty-seven million, forty-one thousand, nine hundred forty-one".

Divisors: 1 3 7 21 40811521 122434563 285680647 857041941