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920172095 = 5333155249
BaseRepresentation
bin110110110110001…
…011011000111111
32101010110120210222
4312312023120333
53341031001340
6231150251555
731542222323
oct6666133077
92333416728
10920172095
1143245aa07
122181b6bbb
1311883a23b
148a2cb983
1555bb38b5
hex36d8b63f

920172095 has 8 divisors (see below), whose sum is σ = 1104558000. Its totient is φ = 735903360.

The previous prime is 920172091. The next prime is 920172119. The reversal of 920172095 is 590271029.

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

It is not a de Polignac number, because 920172095 - 22 = 920172091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920172091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10970 + ... + 44279.

It is an arithmetic number, because the mean of its divisors is an integer number (138069750).

Almost surely, 2920172095 is an apocalyptic number.

920172095 is a deficient number, since it is larger than the sum of its proper divisors (184385905).

920172095 is a wasteful number, since it uses less digits than its factorization.

920172095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58585.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 920172095 is about 30334.3385456153. The cubic root of 920172095 is about 972.6494665227.

The spelling of 920172095 in words is "nine hundred twenty million, one hundred seventy-two thousand, ninety-five".

Divisors: 1 5 3331 16655 55249 276245 184034419 920172095