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920854986 = 23208173751
BaseRepresentation
bin110110111000110…
…010000111001010
32101011202021120020
4312320302013022
53341214324421
6231213041310
731551065262
oct6670620712
92334667506
10920854986
11432886a87
12218486236
13118a1900c
148a4287a2
1555c9adc6
hex36e321ca

920854986 has 16 divisors (see below), whose sum is σ = 1842619968. Its totient is φ = 306800000.

The previous prime is 920854981. The next prime is 920855003. The reversal of 920854986 is 689458029.

920854986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (920854981) 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, 24390 + ... + 49361.

It is an arithmetic number, because the mean of its divisors is an integer number (115163748).

Almost surely, 2920854986 is an apocalyptic number.

920854986 is an abundant number, since it is smaller than the sum of its proper divisors (921764982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

920854986 is a wasteful number, since it uses less digits than its factorization.

920854986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75837.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 920854986 is about 30345.5925300529. The cubic root of 920854986 is about 972.8900191057.

The spelling of 920854986 in words is "nine hundred twenty million, eight hundred fifty-four thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 2081 4162 6243 12486 73751 147502 221253 442506 153475831 306951662 460427493 920854986