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852045649 = 71323537681
BaseRepresentation
bin110010110010010…
…010111101010001
32012101021101220021
4302302102331101
53221110430044
6220314143441
730054161050
oct6262227521
92171241807
10852045649
113a7a59564
121b9421b81
131076a6430
1481236397
154ec07e84
hex32c92f51

852045649 has 32 divisors (see below), whose sum is σ = 1115057664. Its totient is φ = 632586240.

The previous prime is 852045647. The next prime is 852045739. The reversal of 852045649 is 946540258.

852045649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 852045649 - 21 = 852045647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (852045647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107089 + ... + 114769.

It is an arithmetic number, because the mean of its divisors is an integer number (34845552).

Almost surely, 2852045649 is an apocalyptic number.

It is an amenable number.

852045649 is a deficient number, since it is larger than the sum of its proper divisors (263012015).

852045649 is a wasteful number, since it uses less digits than its factorization.

852045649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 852045649 is about 29189.8209826645. The cubic root of 852045649 is about 948.0275414533.

The spelling of 852045649 in words is "eight hundred fifty-two million, forty-five thousand, six hundred forty-nine".

Divisors: 1 7 13 23 53 91 161 299 371 689 1219 2093 4823 7681 8533 15847 53767 99853 110929 176663 407093 698971 1236641 2296619 2849651 5292209 9363139 16076333 37045463 65541973 121720807 852045649