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857195048 = 23521205661
BaseRepresentation
bin110011000101111…
…100001000101000
32012201222000112202
4303011330020220
53223420220143
6221020355332
730146015633
oct6305741050
92181860482
10857195048
113aa956366
121bb0a5b48
1310878a208
1481bb6c1a
15503c3ab8
hex3317c228

857195048 has 16 divisors (see below), whose sum is σ = 1610333460. Its totient is φ = 427772800.

The previous prime is 857195047. The next prime is 857195099. The reversal of 857195048 is 840591758.

It can be written as a sum of positive squares in 2 ways, for example, as 681314404 + 175880644 = 26102^2 + 13262^2 .

It is a junction number, because it is equal to n+sod(n) for n = 857194993 and 857195011.

It is not an unprimeable number, because it can be changed into a prime (857195041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98663 + ... + 106998.

Almost surely, 2857195048 is an apocalyptic number.

It is an amenable number.

857195048 is a deficient number, since it is larger than the sum of its proper divisors (753138412).

857195048 is a wasteful number, since it uses less digits than its factorization.

857195048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206188 (or 206184 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 857195048 is about 29277.8935034609. The cubic root of 857195048 is about 949.9335310835.

The spelling of 857195048 in words is "eight hundred fifty-seven million, one hundred ninety-five thousand, forty-eight".

Divisors: 1 2 4 8 521 1042 2084 4168 205661 411322 822644 1645288 107149381 214298762 428597524 857195048