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10897971 = 37796569
BaseRepresentation
bin101001100100…
…101000110011
3202111200012120
4221210220303
510242213341
61025325323
7161426340
oct51445063
922450176
1010897971
116173897
123796843
132347506
1416397c7
15e54066
hexa64a33

10897971 has 16 divisors (see below), whose sum is σ = 16819200. Its totient is φ = 6147648.

The previous prime is 10897967. The next prime is 10897973. The reversal of 10897971 is 17979801.

It is a happy number.

10897971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10897971 - 22 = 10897967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10897973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1626 + ... + 4943.

It is an arithmetic number, because the mean of its divisors is an integer number (1051200).

Almost surely, 210897971 is an apocalyptic number.

10897971 is a deficient number, since it is larger than the sum of its proper divisors (5921229).

10897971 is an equidigital number, since it uses as much as digits as its factorization.

10897971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658.

The product of its (nonzero) digits is 31752, while the sum is 42.

The square root of 10897971 is about 3301.2075063528. The cubic root of 10897971 is about 221.7082646287.

The spelling of 10897971 in words is "ten million, eight hundred ninety-seven thousand, nine hundred seventy-one".

Divisors: 1 3 7 21 79 237 553 1659 6569 19707 45983 137949 518951 1556853 3632657 10897971