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850972 = 221911197
BaseRepresentation
bin11001111110000011100
31121020022111
43033300130
5204212342
630123404
710142653
oct3176034
91536274
10850972
11531391
12350564
1323a445
1418219a
1511c217
hexcfc1c

850972 has 12 divisors (see below), whose sum is σ = 1567720. Its totient is φ = 403056.

The previous prime is 850951. The next prime is 850973. The reversal of 850972 is 279058.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850973) by changing a digit.

850972 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5523 + ... + 5674.

2850972 is an apocalyptic number.

It is an amenable number.

850972 is a deficient number, since it is larger than the sum of its proper divisors (716748).

850972 is a wasteful number, since it uses less digits than its factorization.

850972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11220 (or 11218 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 850972 is about 922.4814361276. The cubic root of 850972 is about 94.7629176003.

The spelling of 850972 in words is "eight hundred fifty thousand, nine hundred seventy-two".

Divisors: 1 2 4 19 38 76 11197 22394 44788 212743 425486 850972