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850153919 = 1495705731
BaseRepresentation
bin110010101011000…
…101000110111111
32012020201021221012
4302223011012333
53220114411134
6220205425435
730032121566
oct6253050677
92166637835
10850153919
113a698724a
121b886b27b
13107193374
1480ca2bdd
154e9826ce
hex32ac51bf

850153919 has 4 divisors (see below), whose sum is σ = 855859800. Its totient is φ = 844448040.

The previous prime is 850153897. The next prime is 850153943. The reversal of 850153919 is 919351058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-850153919 is a prime.

It is a super-2 number, since 2×8501539192 = 1445523371982117122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850153319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2852717 + ... + 2853014.

It is an arithmetic number, because the mean of its divisors is an integer number (213964950).

Almost surely, 2850153919 is an apocalyptic number.

850153919 is a deficient number, since it is larger than the sum of its proper divisors (5705881).

850153919 is a wasteful number, since it uses less digits than its factorization.

850153919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705880.

The product of its (nonzero) digits is 48600, while the sum is 41.

The square root of 850153919 is about 29157.3990438105. The cubic root of 850153919 is about 947.3254112173.

The spelling of 850153919 in words is "eight hundred fifty million, one hundred fifty-three thousand, nine hundred nineteen".

Divisors: 1 149 5705731 850153919