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97286881 = 677319891
BaseRepresentation
bin1011100110001…
…11101011100001
320210001200111211
411303013223201
5144401140011
613353110121
72260632136
oct563075341
9223050454
1097286881
114aa0908a
12286b8341
1317203903
14ccc658d
15881ab21
hex5cc7ae1

97286881 has 8 divisors (see below), whose sum is σ = 100096544. Its totient is φ = 94517280.

The previous prime is 97286867. The next prime is 97286939. The reversal of 97286881 is 18868279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97286881 - 27 = 97286753 is a prime.

It is a super-2 number, since 2×972868812 = 18929474429416322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97286831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5055 + ... + 14836.

It is an arithmetic number, because the mean of its divisors is an integer number (12512068).

Almost surely, 297286881 is an apocalyptic number.

It is an amenable number.

97286881 is a deficient number, since it is larger than the sum of its proper divisors (2809663).

97286881 is a wasteful number, since it uses less digits than its factorization.

97286881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20031.

The product of its digits is 387072, while the sum is 49.

The square root of 97286881 is about 9863.4112253317. The cubic root of 97286881 is about 459.9226098540.

The spelling of 97286881 in words is "ninety-seven million, two hundred eighty-six thousand, eight hundred eighty-one".

Divisors: 1 67 73 4891 19891 1332697 1452043 97286881