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97852855 = 5411972423
BaseRepresentation
bin1011101010100…
…01110110110111
320211010102212211
411311101312313
5200022242410
613413154251
72265510202
oct565216667
9224112784
1097852855
1150265331
122892b987
13173713c9
14cdd2939
1588cd68a
hex5d51db7

97852855 has 16 divisors (see below), whose sum is σ = 120947904. Its totient is φ = 75953920.

The previous prime is 97852837. The next prime is 97852883. The reversal of 97852855 is 55825879.

It is not a de Polignac number, because 97852855 - 29 = 97852343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97852799 and 97852808.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 39174 + ... + 41596.

It is an arithmetic number, because the mean of its divisors is an integer number (7559244).

Almost surely, 297852855 is an apocalyptic number.

97852855 is the 8077-th pentagonal number.

97852855 is a deficient number, since it is larger than the sum of its proper divisors (23095049).

97852855 is a wasteful number, since it uses less digits than its factorization.

97852855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666.

The product of its digits is 1008000, while the sum is 49.

The square root of 97852855 is about 9892.0601999786. The cubic root of 97852855 is about 460.8127644209.

The spelling of 97852855 in words is "ninety-seven million, eight hundred fifty-two thousand, eight hundred fifty-five".

Divisors: 1 5 41 197 205 985 2423 8077 12115 40385 99343 477331 496715 2386655 19570571 97852855